Have you ever typed buisness in an email, school assignment, or business plan and wondered whether you spelled it correctly? It’s an easy mistake to make. The word sounds different from how it looks, and the letters s and i are easy to mix up.
The correct spelling is business, not buisness.
Business is a noun that can refer to a company, commercial activity, a person’s work, or something that concerns someone. Buisness is a common misspelling and is not an accepted alternative in standard English.
For example:
- Correct: She started a small business.
- Incorrect: She started a small buisness.
- Correct: He studies business management.
- Incorrect: He studies buisness management.
The easiest way to remember the spelling is to think of the word busy. Both words begin with BUS, not BUI.
In this guide, you’ll learn the difference between business vs buisness, how to spell and pronounce business, its meanings and grammar rules, and how it differs from busy, busyness, and businesses.
Quick Answer: Business vs Buisness
Business is the correct spelling. Buisness is a spelling mistake caused by reversing the letters s and i.
| Word | Correct? | Meaning | Example |
|---|---|---|---|
| Business | Yes | A company, commercial activity, work, or a matter | My business is growing. |
| Buisness | No | Misspelling of business | My buisness is growing. |
Correct spelling: B-U-S-I-N-E-S-S
Part of speech: Noun
Pronunciation: BIZ-niss
Syllables: Two
Plural: Businesses
Memory trick: Business begins with BUSI, not BUIS.
TL;DR: Business vs Buisness
- Business is correct; buisness is a common spelling mistake.
- The correct letter order is B-U-S-I-N-E-S-S.
- Business can mean a company, commercial activity, work, or a matter.
- Business is a noun; busy is usually an adjective.
- Busyness means the state of being busy, not a company.
- Businesses is the plural of business.
- Business’s is singular possessive; businesses’ is plural possessive.
- Business is commonly pronounced BIZ-niss, with two syllables.
Table of Contents
- Business vs Buisness: What’s the Difference?
- What Does Business Mean?
- Is Buisness a Word?
- Why Is Business Spelled With BUSI?
- How to Spell Business Correctly
- How to Pronounce Business
- Business as a Countable and Uncountable Noun
- Business vs Businesses
- Business’s vs Businesses’
- Business vs Busy
- Business vs Busyness
- Common Business Phrases and Expressions
- Common Business Spelling Mistakes
- Easy Tricks to Remember Business Spelling
- 40+ Business Example Sentences
- Business vs Buisness Practice Quiz
Business vs Buisness: What’s the Difference?
The difference between business and buisness is spelling.
Business is the standard English word. Buisness is an incorrect spelling that places the letters i and s in the wrong order.
Compare the two forms:
Correct: B-U-S-I-N-E-S-S
Incorrect: B-U-I-S-N-E-S-S
The correct spelling begins with BUSI, while the misspelling begins with BUIS.
When to Use Business
Use business when discussing a company, trade, commercial activities, professional matters, or something that concerns a person.
Examples:
- My brother owns a business.
- She wants to study business.
- We have some unfinished business.
- The company is open for business.
- That decision is none of your business.
Why Buisness Is Incorrect
People sometimes write buisness because the word’s pronunciation does not clearly reveal every letter.
However, English spelling follows the established form business.
| Correct Sentence | Incorrect Sentence |
|---|---|
| She runs a successful business. | She runs a successful buisness. |
| The business opens at nine. | The buisness opens at nine. |
| He studies business administration. | He studies buisness administration. |
| We discussed business matters. | We discussed buisness matters. |
Key takeaway: Always write business, whether you’re discussing commerce, a company, or a personal matter.
What Does Business Mean?
Business has several meanings in English. Its meaning depends on the context.
Business Meaning a Company
A business can be an organization that sells goods or provides services.
Examples:
- She opened a small business.
- Their family business has operated for years.
- The business hired three new employees.
In these examples, business refers to a company or commercial organization.
Business Meaning Commercial Activity
Business can also describe buying, selling, trading, or other commercial activity.
Examples:
- The store is doing good business.
- Online business continues to grow.
- The company conducts business internationally.
Business Meaning Work or Professional Matters
Sometimes business refers to work, responsibilities, or professional activities.
Examples:
- He traveled to Chicago on business.
- We have important business to discuss.
- The manager handled the business before lunch.
Business Meaning a Personal Matter
Business can refer to something that concerns a particular person.
Examples:
- That’s none of your business.
- It’s my business whom I invite.
- Please mind your own business.
Business Meaning Comparison
| Meaning | Explanation | Example |
|---|---|---|
| Company | An organization selling goods or services | She owns a business. |
| Commerce | Commercial activity | Business is improving. |
| Work | Professional responsibilities | He traveled on business. |
| Personal matter | Something that concerns someone | That’s my business. |
The meaning changes with the sentence, but the spelling remains business.
Is Buisness a Word?
Buisness is not a standard English spelling. It is a common misspelling of business.
You may see it in online comments, messages, or unedited documents, but it should not be used in formal writing.
Why Do People Spell Business as Buisness?
There are two common reasons.
First, the letters s and i are easy to reverse when typing quickly.
Second, the pronunciation BIZ-niss does not make the spelling obvious.
Is Buisness Correct in American English?
No. American English uses business.
Is Buisness Correct in British English?
No. British English also uses business.
Unlike color/colour, there is no accepted American-versus-British spelling difference here.
Can You Use Buisness in Informal Writing?
People may understand what you mean, but it remains a spelling mistake.
Use business in school assignments, resumes, emails, websites, and professional documents.
Why Is Business Spelled With BUSI?
The spelling of business is connected to the older development of the word busy.
Historically, business developed from forms associated with being busy, occupation, and activity. Over time, its meanings expanded to include work, commercial activity, and companies.
Business and Busy Are Related
Compare:
Busy: B-U-S-Y
Business: B-U-S-I-N-E-S-S
Both words begin with BUS.
This connection makes it easier to remember that business begins with BUSI, not BUIS.
Why Doesn’t Business Sound Like Its Spelling?
English pronunciation and spelling do not always match letter for letter.
The word business is commonly pronounced BIZ-niss, even though it contains more letters than its two spoken syllables might suggest.
Its established spelling reflects the word’s history rather than a simple letter-by-letter representation of its modern pronunciation.
Important Spelling Rule
BUSI + NESS = BUSINESS
This is a useful spelling breakdown. It is not meant to imply that the modern meaning of business is always identical to busyness.
How to Spell Business Correctly
The correct spelling is:
B-U-S-I-N-E-S-S
Business contains eight letters.
Step-by-Step Spelling
Step 1: Start With BUS
Write:
B-U-S
Step 2: Add I
Continue:
B-U-S-I
Step 3: Add NESS
Finish:
B-U-S-I-N-E-S-S
Easy Spelling Breakdown
BUSI + NESS = BUSINESS
This grouping can help you remember the correct letter order.
Common Correct and Incorrect Spellings
| Spelling | Correct? |
|---|---|
| Business | Yes |
| Buisness | No |
| Bussiness | No |
| Busines | No |
| Buisnes | No |
| Busness | No |
Quick Spelling Exercise
Complete the word:
B U _ I N E S S
The missing letter is S.
The complete word is BUSINESS.
Remember: The first four letters are B-U-S-I.
How to Pronounce Business
In American English, business is commonly pronounced:
BIZ-niss
IPA: /ˈbɪz.nəs/
The word has two syllables, with stress on the first.
Business Syllable Breakdown
| Syllable | Approximate Sound |
|---|---|
| First | BIZ |
| Second | niss |
BIZ receives the strongest stress.
Why Is Business Pronounced BIZ-niss?
English spelling does not always represent every sound directly.
Although business contains eight letters, its common spoken form has two syllables.
Common Pronunciation Mistakes
A learner may try to pronounce every written letter separately, producing an unnatural extra syllable.
The usual American pronunciation is BIZ-niss, not a three-syllable reading based on every letter.
Business in American and British English
Both American and British English commonly pronounce the word with two syllables and stress on the first.
Minor vowel differences may occur between accents.
Business as a Countable and Uncountable Noun
Business is a noun that can be either countable or uncountable, depending on its meaning.
Business as a Countable Noun
When business refers to a company, it is usually countable.
Examples:
- She owns a business.
- They opened two businesses.
- His business is growing.
You can count individual companies.
Business as an Uncountable Noun
When business refers to commercial activity or work in general, it is often uncountable.
Examples:
- Business is improving.
- She studied business at college.
- We discussed business over lunch.
In these examples, business refers to an activity or field rather than one company.
Countable vs Uncountable Business
| Usage | Example |
|---|---|
| Countable | She started a business. |
| Countable plural | Several businesses opened. |
| Uncountable | Business is slow today. |
| Uncountable | He studies business management. |
Common Grammar Mistake
Incorrect: She started business last year.
Correct: She started a business last year.
The corrected sentence refers to a particular company. The phrase started business can be acceptable in other contexts, especially when describing the beginning of commercial activity, but started a business is clearer when referring to a new company.
Business vs Businesses
Business is singular when referring to one company.
Businesses is plural when referring to two or more companies.
Singular: Business
Examples:
- One business opened downtown.
- Her business sells handmade products.
- The business hired a new manager.
Plural: Businesses
Examples:
- Three businesses opened downtown.
- Local businesses need customers.
- Many small businesses operate online.
Business vs Businesses Comparison
| Word | Number | Example |
|---|---|---|
| Business | Singular | The business is successful. |
| Businesses | Plural | The businesses are successful. |
How to Form the Plural
Because business ends in -ss, add -es to form the plural.
Business → Businesses
Common Mistake
Incorrect: Several business opened nearby.
Correct: Several businesses opened nearby.
When referring to multiple companies, use businesses.
Business’s vs Businesses’
The forms business’s and businesses’ are both correct, but they express different kinds of possession.
Business’s: Singular Possessive
Use business’s when something belongs to one business.
Examples:
- The business’s website looks professional.
- The business’s owner announced the expansion.
- The business’s reputation is improving.
Businesses’: Plural Possessive
Use businesses’ when something belongs to multiple businesses.
Examples:
- The businesses’ owners attended the meeting.
- The businesses’ websites were updated.
- The businesses’ shared concerns were discussed.
Business Possessive Forms Table
| Form | Meaning | Example |
|---|---|---|
| Business | One company | The business is open. |
| Businesses | Multiple companies | The businesses are open. |
| Business’s | Belonging to one company | The business’s website is new. |
| Businesses’ | Belonging to multiple companies | The businesses’ websites are new. |
Easy Rule
Business’s = one business owns something.
Businesses’ = multiple businesses own something.
Don’t confuse the plural businesses with either possessive form.
Business vs Busy
Business and busy are related words, but they have different meanings and grammatical roles.
Business is a noun.
Busy is usually an adjective meaning occupied or having many things to do.
What Does Busy Mean?
Busy describes someone or something that is occupied, active, or full of activity.
Examples:
- She is busy today.
- The office is busy this morning.
- I’m too busy to attend the meeting.
What Does Business Mean?
Business can refer to a company, commercial activity, work, or a matter.
Examples:
- She owns a business.
- The business is growing.
- He studies business administration.
Business vs Busy Comparison
| Feature | Business | Busy |
|---|---|---|
| Common part of speech | Noun | Adjective |
| Meaning | Company, work, commerce, or matter | Occupied or active |
| Example | She runs a business. | She is busy today. |
Common Mistakes
Incorrect: She is business today.
Correct: She is busy today.
Incorrect: He owns a busy.
Correct: He owns a business.
Memory trick: Busy describes a condition; business names a company, activity, or matter.
Business vs Busyness
Business and busyness are both correctly spelled English nouns, but they mean different things.
This distinction is especially important because the words look similar.
What Does Business Mean?
Business can refer to a company, commercial activity, work, or a matter.
Examples:
- Her business is growing.
- He traveled on business.
- We discussed important business.
What Does Busyness Mean?
Busyness means the state or condition of being busy.
Examples:
- The busyness of the week exhausted her.
- He wanted a break from the busyness of city life.
- The holiday season brought unusual busyness to the office.
Business vs Busyness Comparison
| Word | Meaning | Example |
|---|---|---|
| Business | Company, commerce, work, or matter | She owns a business. |
| Busyness | The state of being busy | The busyness of the day was exhausting. |
Are Business and Busyness Interchangeable?
Usually, no.
Compare:
Her business is growing.
This means her company or commercial activity is expanding.
Her busyness is increasing.
This means she is becoming more occupied.
Important Grammar Note
Busyness is a valid English word. It is not a misspelling of business.
Common Business Phrases and Expressions
The word business appears in many everyday and professional expressions.
Common Business Expressions
| Expression | Meaning | Example |
|---|---|---|
| Small business | A relatively small company | She owns a small business. |
| Business owner | Someone who owns a company | He is a business owner. |
| Business plan | A document describing business goals and strategies | We created a business plan. |
| Business meeting | A meeting about professional matters | I have a business meeting. |
| Business hours | Times when a company operates | Check the business hours. |
| Business trip | Travel for work | She went on a business trip. |
| Business partner | Someone involved in a business relationship | He met his business partner. |
| Business management | Organizing and directing business activities | She studies business management. |
| Mind your own business | Avoid interfering in someone else’s private affairs | Please mind your own business. |
| None of your business | Not something that concerns you | That’s none of your business. |
| Open for business | Ready to serve customers | The store is open for business. |
| Get down to business | Begin serious work | Let’s get down to business. |
Business in Professional Writing
Examples:
- Please review the business proposal.
- Our business meeting starts at 10 a.m.
- The business owner approved the plan.
- We discussed the company’s business strategy.
Business in Everyday Conversation
Examples:
- That’s none of your business.
- My sister started a business.
- He is away on business.
- Let’s get down to business.
These expressions all use the same correct spelling.
Common Business Spelling Mistakes
The word business is frequently misspelled because of its unusual pronunciation and the order of its letters.
Common Misspellings
| Incorrect | Correct | Explanation |
|---|---|---|
| Buisness | Business | S and I are reversed |
| Bussiness | Business | Extra S near the beginning |
| Busines | Business | Missing final S |
| Buisnes | Business | Reversed letters and missing S |
| Busness | Business | Missing I |
| Bussines | Business | Extra S and missing final S |
Mistake 1: Buisness Instead of Business
Incorrect: I started a buisness.
Correct: I started a business.
Mistake 2: Bussiness Instead of Business
Incorrect: She studies bussiness management.
Correct: She studies business management.
Mistake 3: Busines Instead of Business
Incorrect: The busines is growing.
Correct: The business is growing.
Mistake 4: Busness Instead of Business
Incorrect: He owns a small busness.
Correct: He owns a small business.
How to Avoid These Mistakes
Remember the correct letter sequence:
B-U-S-I-N-E-S-S
Focus especially on the beginning BUSI and the ending NESS.
Easy Tricks to Remember Business Spelling
A few simple memory tricks can help you avoid writing buisness.
Memory Trick 1: Think BUS, Not BUI
The correct word begins with:
B-U-S
Not:
B-U-I
Think of a bus carrying people to work.
Then remember that business begins with those same three letters.
Memory Trick 2: Remember BUSI + NESS
Break the spelling into two groups:
BUSI + NESS
This makes the eight-letter word easier to remember.
Memory Trick 3: Connect Business With Busy
Both words begin with BUS.
Busy → Business
The relationship can remind you that s comes before i in business.
Memory Trick 4: Practice a Sentence
Write:
My business keeps me busy.
This sentence includes both related words and reinforces the correct spelling.
Memory Trick 5: Spell It Aloud
Say each letter:
B-U-S-I-N-E-S-S
Repeat the sequence until it feels familiar.
Memory Trick 6: Use a Visual Pattern
Remember:
BUSI — first four letters.
NESS — last four letters.
Together:
BUSINESS
Best memory trick: Business starts with BUS, not BUI.
40+ Business Example Sentences
These 50 examples show how to use business, businesses, busy, and busyness naturally in American English.
10 Everyday Business Sentences
- My brother owns a small business.
- Her business is growing quickly.
- The business opens at nine.
- I want to start a business.
- His family runs a local business.
- The business hired two employees.
- She sold her business last year.
- They opened a new business downtown.
- The business offers delivery services.
- My friend manages a successful business.
10 School and Learning Sentences
- She studies business administration.
- Our teacher explained the meaning of business.
- The students created a business plan.
- He wants to earn a business degree.
- We discussed business ethics in class.
- The textbook includes a chapter on business management.
- She completed a business assignment.
- The course introduces basic business concepts.
- Students learned about small business ownership.
- He presented a business idea to the class.
10 Professional Business Sentences
- We have a business meeting tomorrow.
- The manager reviewed the business report.
- Our business strategy needs improvement.
- She traveled to Boston on business.
- The company updated its business website.
- He discussed the business proposal with investors.
- The business owner approved the budget.
- We need a stronger business plan.
- The team reviewed the business goals.
- Their business partnership lasted ten years.
10 Sentences With Businesses and Possessives
- Several businesses opened downtown.
- Local businesses support community events.
- Many small businesses sell products online.
- The businesses hired new employees.
- These businesses offer similar services.
- The business’s website was redesigned.
- The business’s owner announced the expansion.
- The businesses’ owners attended the conference.
- The businesses’ websites were updated.
- The businesses’ shared concerns were discussed.
10 Sentences With Busy and Busyness
- She is busy preparing for the meeting.
- The office is busy today.
- I’m too busy to attend the event.
- He had a busy morning.
- The restaurant becomes busy at lunchtime.
- The busyness of the week left her exhausted.
- He needed a break from the busyness of city life.
- The holiday season increased the office’s busyness.
- She enjoyed a quiet weekend after a period of busyness.
- The busyness of his schedule made planning difficult.
Business vs Buisness Practice Quiz
Test your understanding of the spelling, meaning, pronunciation, and grammar rules.
Multiple-Choice Questions
1. Which spelling is correct?
A. Buisness
B. Business
C. Bussiness
2. What part of speech is business?
A. Adjective
B. Noun
C. Adverb
3. Which word means the state of being busy?
A. Business
B. Busyness
C. Businesses
4. What is the plural of business?
A. Business’s
B. Businesses
C. Business’
5. Which form is singular possessive?
A. Business’s
B. Businesses
C. Businesses’
6. Which form is plural possessive?
A. Business
B. Business’s
C. Businesses’
7. How many syllables does business commonly have?
A. One
B. Two
C. Three
8. Which sentence is correct?
A. She owns a buisness.
B. She owns a business.
C. She owns a bussiness.
9. Which word is usually an adjective?
A. Business
B. Busyness
C. Busy
10. What is the correct letter order?
A. B-U-I-S-N-E-S-S
B. B-U-S-I-N-E-S-S
C. B-U-S-S-I-N-E-S-S
Answer Key With Explanations
| Question | Answer | Explanation |
|---|---|---|
| 1 | B. Business | Correct standard spelling |
| 2 | B. Noun | Business names a company, activity, or matter |
| 3 | B. Busyness | Busyness means the state of being busy |
| 4 | B. Businesses | Add -es to form the plural |
| 5 | A. Business’s | Singular possessive form |
| 6 | C. Businesses’ | Plural possessive form |
| 7 | B. Two | Commonly pronounced BIZ-niss |
| 8 | B | Business is spelled correctly |
| 9 | C. Busy | Busy is commonly an adjective |
| 10 | B | Correct letter order is B-U-S-I-N-E-S-S |
Bonus Exercise: Correct the Mistakes
1. She started a small buisness.
Correct: She started a small business.
2. Several business opened nearby.
Correct: Several businesses opened nearby.
3. The businesses website is new. (One company)
Correct: The business’s website is new.
4. The business’s owners met together. (Multiple companies)
Correct: The businesses’ owners met together.
5. The business of the week left her tired. (State of being busy)
Correct: The busyness of the week left her tired.
Frequently Asked Questions
Is it business or buisness?
Business is the correct spelling. Buisness is a common misspelling caused by reversing the letters s and i.
Is buisness a real word?
Buisness is not a standard English word. It is a misspelling of business and should be avoided in formal writing.
Why is business spelled business?
The spelling is connected to the historical development of busy and related forms. The standard modern spelling is B-U-S-I-N-E-S-S.
How do you spell business correctly?
Spell it B-U-S-I-N-E-S-S. Remember that the first four letters are BUSI, not BUIS.
How do you pronounce business?
In American English, business is commonly pronounced BIZ-niss, with two syllables and stress on the first.
What is the plural of business?
The plural is businesses.
Example: Several businesses opened downtown.
What is the difference between business and busyness?
Business can mean a company, commercial activity, work, or a matter. Busyness means the state of being busy.
Is business’s grammatically correct?
Yes. Business’s is the singular possessive form.
Example: The business’s website is new.
For multiple businesses, use businesses’.
Conclusion
The difference between business vs buisness is straightforward: business is the correct spelling, while buisness is a common spelling mistake.
The correct spelling is:
B-U-S-I-N-E-S-S
Remember these important rules:
- Business is a noun referring to a company, commerce, work, or a matter.
- Buisness is not the standard spelling.
- Business begins with BUSI, not BUIS.
- Businesses is the plural form.
- Business’s is singular possessive.
- Businesses’ is plural possessive.
- Busy describes being occupied.
- Busyness means the state of being busy.
Whether you’re writing a school assignment, professional email, business plan, or everyday message, always use business, not buisness.
The simplest memory trick is also the most useful: Business starts with BUS, not BUI.
References and Further Reading
- Merriam-Webster Dictionary: Business — Definition, pronunciation, and word history.
- Cambridge Dictionary: Business — American English meanings and examples.
- Merriam-Webster Dictionary: Busyness — Definition of the state of being busy.
- Cambridge Dictionary: Busy — Definition and adjective usage.
- Britannica Dictionary: Business — Learner-friendly definitions and examples.
- Purdue Online Writing Lab: General Writing Resources — Grammar, spelling, and writing guidance.