Responsibility vs Responsability: Which Is Correct?

Responsibility is the correct spelling in English. Responsability is a misspelling and should not be used in standard English. The correct form contains -ibility: responsibility. It is a noun meaning a duty, obligation, task, or accountability for something. For example, “It is my responsibility to finish the report.” If you are unsure, remember the spelling responsibility, not responsability.

What Is the Difference Between Responsibility and Responsability?

The difference is simple: responsibility is correct, while responsability is incorrect in standard English.

The two forms are easy to confuse because they look and sound very similar:

Spelling	Status	Meaning
responsibility	Correct	A duty, obligation, task, or accountability
responsability	Incorrect	A misspelling of responsibility

The correct word is built around responsible and uses the spelling -ibility:

responsible → responsibility

The incorrect form changes the spelling to responsability, replacing the i with a before bility.

For schoolwork, professional writing, applications, reports, emails, and other standard English, always write responsibility.

Why Does the Correct Spelling Matter?

A single letter can make a significant difference in written English.

If you write responsability instead of responsibility, readers will normally understand what you mean, but they may recognize it as a spelling error. That can matter when the writing needs to appear polished and professional.

The mistake can be especially noticeable in:

• Job applications and resumes
• Academic assignments
• Exams
• Business emails
• Reports and proposals
• Legal or official documents
• Workplace communication
• Professional profiles
• Published content

Compare these sentences:

She has a lot of responsibility at work.

and:

She has a lot of responsability at work.

The second sentence is understandable, but the spelling is incorrect. The first is the standard form.

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The Core Rule

Rule: Always spell the word as responsibility, with “ibility” before the final “ty.” Never write responsability in standard English.

A useful word family is:

responsible → responsibility → responsibly

For example:

• He is responsible for the project.
• He has responsibility for the project.
• He handled the project responsibly.

The noun is responsibility, not responsability.

What Does Responsibility Mean?

Responsibility is a noun that generally refers to a duty or obligation that someone is expected to handle. It can also refer to accountability for an action or situation.

For example:

It is my responsibility to check the documents.

Here, responsibility means a duty or task that the person is expected to perform.

It can also describe accountability:

The manager accepted responsibility for the mistake.

In this sentence, responsibility means accepting that the manager was accountable for what happened.

The word can also describe a quality or ability to behave sensibly:

She showed a strong sense of responsibility.

So responsibility can refer to a duty, accountability, or responsible behavior depending on the context.

How to Spell Responsibility Correctly

The safest spelling is:

R-E-S-P-O-N-S-I-B-I-L-I-T-Y

Break it into useful parts:

responsible + ity = responsibility

Notice the i after the b:

responsib-ility

Not:

responsab-ility

A common mistake is to think the ending should be -ability, producing responsability. That spelling is incorrect.

Correct

responsibility

Incorrect

responsability

Another useful connection

Think of the word responsible:

responsible → responsibility

The spelling of the base word helps you remember that the noun keeps the i.

Correct Examples

Here are examples showing how responsibility works in different types of English.

Conversation

1. Taking care of the children is a big responsibility.

This refers to a duty that requires care and attention.

Workplace

2. One of my main responsibilities is training new employees.

Here, responsibilities means the duties that belong to someone’s job.

Email

3. I understand that it is my responsibility to submit the report on time.

The word identifies an obligation.

School

4. Students have a responsibility to follow the school’s rules.

This describes a duty expected of students.

Academic Writing

5. Individual responsibility plays an important role in maintaining a healthy community.

Here, responsibility refers to accountability and duty.

Job Interview

6. I am comfortable taking responsibility when something goes wrong.

The speaker means accepting accountability.

Social Media

7. We all have a responsibility to think before sharing information online.

The word describes an ethical duty.

Management

8. The department manager has responsibility for the team’s daily operations.

The phrase identifies an area under someone’s control or care.

Family Life

9. Parents have a responsibility to provide a safe environment for their children.

The word refers to a parental duty.

Formal Writing

10. The organization accepts responsibility for ensuring that the policy is implemented correctly.

Here, responsibility means accountability for an action.

Incorrect vs. Correct

Incorrect	Correct	Why
❌ It is my responsability.	✅ It is my responsibility.	The standard spelling contains -ibility, not -ability.
❌ She has a lot of responsability.	✅ She has a lot of responsibility.	Responsability is a misspelling.
❌ He accepted responsability for the error.	✅ He accepted responsibility for the error.	The noun is spelled responsibility.
❌ This is your responsability.	✅ This is your responsibility.	The i after the b must be retained.
❌ I take full responsability for the decision.	✅ I take full responsibility for the decision.	The correct noun is responsibility.
❌ Her responsabilities have increased.	✅ Her responsibilities have increased.	The plural is responsibilities, not responsabilities.
❌ He showed great responsability.	✅ He showed great responsibility.	The correct spelling is used in both formal and everyday English.
❌ We need more responsability from employees.	✅ We need more responsibility from employees.	Responsability is not the standard spelling.
❌ The position carries considerable responsability.	✅ The position carries considerable responsibility.	The noun keeps the i before bility.
❌ She accepted her responsability as a team leader.	✅ She accepted her responsibility as a team leader.	The correct spelling is responsibility.

Why Do People Spell Responsibility as Responsability?

This mistake is understandable because the pronunciation does not make every letter obvious.

1. Phonetic similarity

When people hear responsibility, the internal vowels may not be strongly pronounced. English pronunciation often makes unstressed syllables less distinct.

As a result, a writer may remember the general sound of the word without remembering exactly which vowel belongs in the spelling.

2. The spelling of “ability”

English contains many words ending in -ability, such as:

• ability
• reliability
• adaptability
• availability
• capability

Because ability is such a familiar ending, writers may incorrectly apply that pattern to responsibility.

However, the correct word is not spelled responsability. It is:

responsibility

3. The connection with “responsible”

The word responsible can also cause confusion. A writer may try to change the ending mechanically and produce an incorrect spelling.

Remember:

responsible → responsibility

4. Autocomplete can reinforce mistakes

Spellcheck and autocomplete are useful, but they should not replace knowledge of spelling.

A writer may type a misspelling quickly and assume the suggested word is correct without checking the entire sentence. Different applications also have different dictionaries and correction systems.

5. Translation interference

Some learners encounter similar-looking words in another language. When a familiar spelling pattern from another language is transferred into English, the result can be a spelling error.

This is particularly common with words that have closely related forms across languages.

The safest approach is to learn the English spelling as its own form:

responsibility

Common Mistakes Checklist

Mistake 1: Writing “responsability”

What happens: The writer replaces the i with a.

Why it happens: The spelling can seem to follow the familiar ending -ability.

How to avoid it: Memorize responsibility as a complete word.

Mistake 2: Writing “responsabilities”

The plural is another common trap.

The correct singular is:

responsibility

The correct plural is:

responsibilities

Not:

responsabilities

Mistake 3: Assuming pronunciation gives you every letter

English spelling cannot always be reconstructed perfectly from pronunciation.

If you only listen to the word, the middle vowels may be easy to misremember.

Mistake 4: Trusting a familiar pattern too much

Seeing words such as ability and capability may encourage you to write responsability. Word patterns are useful, but individual words still have their established spellings.

Mistake 5: Thinking “responsability” might be British English

It is not a standard British alternative to responsibility.

There is no legitimate American-versus-British spelling choice between these two forms.

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Responsibility in Real English

Grammatically correct and natural

Responsibility is completely natural in everyday English when talking about duties, obligations, or accountability.

For example:

I have a responsibility to my team.

and:

She accepted responsibility for the mistake.

These are ordinary, natural constructions. The word is widely used in conversations, workplace communication, education, formal writing, and journalism.

Grammatically possible but less natural

Some sentences can be grammatically understandable while sounding unnecessarily formal or awkward depending on context.

For example:

It is incumbent upon me to undertake the responsibility of completing this task.

This is not necessarily grammatically impossible, but it is much more formal than most everyday situations require.

A natural alternative would be:

It is my responsibility to complete this task.

The important lesson is that correct grammar does not always mean the sentence is the clearest or most natural choice.

Natural everyday English

In ordinary conversation, speakers commonly use simple combinations such as:

• take responsibility
• accept responsibility
• have responsibility for
• be responsible for
• share responsibility
• take on responsibility
• avoid responsibility

For example:

You need to take responsibility for your actions.

This sounds natural and direct.

American vs. British English

There is no meaningful American-versus-British spelling difference between responsibility and responsability.

Both American and British English use:

responsibility

The incorrect form responsability should not be treated as an alternative regional spelling.

There can be differences between American and British English in many words, but this is not one of them.

Formal vs. Informal Usage

Responsibility works in both formal and informal English.

Informal

It’s your responsibility to clean up after yourself.

Workplace

Managing client accounts is one of my responsibilities.

Formal

The organization accepts responsibility for implementing the recommendations.

The word itself does not become incorrect or outdated when the register changes. What changes is usually the surrounding vocabulary and sentence structure.

Responsibility vs. Responsible

These words are closely related but have different grammatical jobs.

Feature	Responsibility	Responsible
Part of speech	Noun	Adjective
Main idea	A duty or accountability	Having a duty or being dependable
Example	It is my responsibility.	I am responsible for it.
Common pattern	take responsibility	be responsible for
Correct spelling	responsibility	responsible

Compare:

It is my responsibility to organize the meeting.

with:

I am responsible for organizing the meeting.

Both sentences communicate a similar idea, but responsibility is a noun and responsible is an adjective.

Responsibility vs. Responsabilities

The singular and plural forms are also worth learning together.

Form	Correct?	Example
responsibility	✅	This is my responsibility.
responsibilities	✅	My responsibilities have increased.
responsability	❌	Incorrect spelling
responsabilities	❌	Incorrect plural spelling

Notice the spelling change when forming the plural:

responsibility → responsibilities

The final y changes to ies.

Memory Trick

Use this simple mnemonic:

Your response has “i,” so your responsibility keeps the “i.”

Think:

response → responsibility

Or use the word-family method:

responsible → responsibility

If you remember responsible, you have a strong clue for spelling the noun correctly.

Another quick reminder:

Responsibility = responsible + ity

The key visual pattern is:

RESPONSIB-ILITY

Not:

RESPONSAB-ILITY

Real-Life Situations

Job Interview

Interviewer: “How do you handle mistakes?”

Candidate: “I believe in taking responsibility for my mistakes and finding a solution.”

Here, responsibility means accountability.

Workplace Meeting

A manager says:

“Your main responsibility will be managing the client accounts.”

The word refers to an assigned job duty.

Email

“Please let me know if you need clarification about your responsibilities.”

The plural refers to several duties.

Text Message

“I know it’s my responsibility, and I’ll take care of it.”

The word is perfectly natural in informal communication.

School Exam

A student writes:

“It is every student’s responsibility to follow the examination rules.”

This is the correct spelling and an appropriate formal usage.

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Mini Quiz

#	Question	Answer	Explanation
1	Which spelling is correct: responsibility or responsability?	Responsibility	The standard spelling contains -ibility.
2	Fill in the blank: “It is my ______ to finish the report.”	responsibility	The sentence needs the noun meaning duty or obligation.
3	Which is correct? A) responsability B) responsibility	B) responsibility	Responsability is a misspelling.
4	Correct the sentence: “She accepted responsability for the mistake.”	“She accepted responsibility for the mistake.”	The noun is spelled responsibility.
5	What is the plural of responsibility?	responsibilities	The final y changes to ies.
6	Which sentence is correct? A) “He is responsibility for the project.” B) “He is responsible for the project.”	B	Responsible is an adjective; responsibility is a noun.
7	Fill in the blank: “Managing the team is one of her ______.”	responsibilities	The sentence refers to multiple duties.
8	Is “responsability” an American spelling of “responsibility”?	No	There is no legitimate US/UK spelling distinction here.
9	Correct the sentence: “Taking responsibility is part of being a responsable employee.”	“Taking responsibility is part of being a responsible employee.”	The correct adjective is responsible.
10	Which is more natural? A) “I will take responsibility for it.” B) “I will take responsability for it.”	A	Responsibility is the correct spelling.

Expert Tips

Learn the word family, not just one spelling

Instead of memorizing responsibility in isolation, connect it with:

responsible → responsibility → responsibly

This gives you a stronger mental spelling pattern.

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Learn common word combinations

Remembering common phrases can make the spelling easier:

• take responsibility
• accept responsibility
• assume responsibility
• share responsibility
• avoid responsibility
• responsibility for
• responsibility to
• sense of responsibility

When you repeatedly see the correct form in familiar phrases, the spelling becomes easier to recall.

Do not rely entirely on pronunciation

The middle of responsibility can sound less distinct in normal speech. If you are writing an important document, check the spelling rather than trying to reconstruct it from sound.

Watch the plural carefully

The correct plural is:

responsibilities

This is not simply responsability plus -ies.

The singular spelling must already be correct before you form the plural.

Distinguish the noun from the adjective

Use responsibility when you mean a duty or accountability:

It is my responsibility.

Use responsible when describing a person or thing:

I am responsible for it.

This distinction helps prevent both spelling and grammar errors.

FAQ

Is “responsability” a word?

No. Responsability is not the standard English spelling. The correct form is responsibility.

Is responsibility or responsability correct?

Responsibility is correct. Responsability is a misspelling.

Why do people spell responsibility as responsability?

The mistake can happen because the two forms sound similar and because English has many familiar words ending in -ability. Writers may therefore incorrectly substitute a for the i.

How do you spell responsibility?

Spell it:

R-E-S-P-O-N-S-I-B-I-L-I-T-Y

A useful visual division is:

responsib + ility

What is the plural of responsibility?

The plural is responsibilities.

Example:

My responsibilities include answering customer emails and preparing reports.

Is responsability British English?

No. Responsability is not a standard British spelling. British and American English both use responsibility.

What is the difference between responsible and responsibility?

Responsible is an adjective describing someone or something, while responsibility is a noun referring to a duty, obligation, or accountability.

Example:

She is responsible for the project.

The project is her responsibility.

Can responsibility be used in informal English?

Yes. Responsibility is normal in both informal and formal English.

For example:

I know it’s my responsibility.

There is nothing unusually formal about the word itself.

What is the easiest way to remember responsibility?

Connect it with responsible:

responsible → responsibility

You can also remember: responsibility keeps the “i.”

Is “responsabilities” correct?

No. The correct plural is responsibilities.

Does responsibility always mean blame?

No. It can mean a duty or obligation, not just blame.

For example:

Caring for the equipment is my responsibility.

Here, it means a duty rather than blame for something that went wrong.

Quick Summary

Responsibility is the only correct spelling of this word in standard English. Responsability is a misspelling, not an alternative American or British form. Responsibility is a noun that can mean a duty, obligation, assigned task, accountability, or good judgment. It appears naturally in phrases such as take responsibility, accept responsibility, have responsibility for, and a sense of responsibility. To remember the spelling, connect it with responsible → responsibility and pay attention to the i before bility. The plural is responsibilities, not responsabilities. If you are writing an email, assignment, report, application, or professional document, always choose responsibility.