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Categorise vs. Categorize — What's the Difference?

By Urooj Arif & Fiza Rafique — Updated on March 3, 2024
Categorise is the British spelling, used for classifying or organizing into categories, while Categorize is the American spelling, serving the same purpose.
Categorise vs. Categorize — What's the Difference?

Difference Between Categorise and Categorize

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Key Differences

Categorise, in British English, signifies the act of placing something into a category or class, often used in contexts requiring organization or classification according to specific criteria. This spelling is preferred in the UK and other countries that follow British English conventions. On the other hand, Categorize, the American English spelling, conveys the same meaning—organizing items, concepts, or information into categories. This variant is commonly used in the United States and countries leaning towards American English standards.
While "categorise" might appear in academic papers, official documents, and educational texts within British English territories, "categorize" is prevalent in American publications, websites, and academic work. The difference in spelling underscores the broader linguistic distinctions between British and American English, which encompasses vocabulary, spelling, and grammatical nuances. Whereas a British writer might discuss how to categorise data effectively in a study, an American writer would discuss how to categorize data.
Both spellings are recognized and understood, with the choice often depending on the audience's familiarity with either British or American English. On the other hand, opting for one spelling over the other can reflect the writer's cultural or institutional affiliation, impacting the perceived accuracy or professionalism in certain contexts.
Digital platforms, especially those developed by international teams, might use either spelling based on their primary audience or the origin of the software's developers. Conversely, platforms aimed at a global audience may choose one version for consistency or include both spellings to accommodate all users.
Students are typically instructed to adhere to the spelling conventions of the English variant they are studying or using academically. This means a student in a British English curriculum would be encouraged to use "categorise," while an American English curriculum would advocate for "categorize." Consistency in spelling is emphasized to maintain clarity and uniformity in written communication.
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Comparison Chart

Spelling

Categorise
Categorize

Usage Regions

UK, Commonwealth countries
United States, countries following US English

Contexts of Use

Organizing or classifying information
Similar contexts: organizing/classifying information

Example Sentence

E.g., We need to categorise these documents.
E.g., We need to categorize these documents.

Educational Preference

Preferred in British educational systems
Preferred in American educational systems

Compare with Definitions

Categorise

To classify systematically.
Researchers categorise specimens for analysis.

Categorize

To systematize by category.
It's important to categorize data accurately.

Categorise

To identify by type.
The software helps to categorise digital content.

Categorize

To sort into groups.
The librarian will categorize the new arrivals.

Categorise

To arrange in categories.
She will categorise the books by genre.

Categorize

To label or designate categories.
How do you categorize these expenses?

Categorise

To assign to a specific category.
We categorise this issue as minor.

Categorize

To classify information or objects.
This tool categorizes emails automatically.

Categorise

To divide into groups.
The survey responses were categorised by age.

Categorize

To group by characteristics.
Participants were categorized by skill level.

Categorise

Standard spelling of categorize

Categorize

Place in a particular class or group
Silk is categorized as a luxury import

Categorise

Place into or assign to a category;
Children learn early on to categorize

Categorize

To put into a category or categories; classify.

Categorize

(transitive) To assign a category; to divide into classes.
First, categorize incoming messages according to the needed actions.

Categorize

To insert in a category or list; to class; to catalogue.

Categorize

Place into or assign to a category;
Children learn early on to categorize

Common Curiosities

Can both spellings be used interchangeably in writing?

Yes, but consistency with the chosen English variant is recommended.

What is the main difference between categorise and categorize?

The main difference is spelling: "categorise" follows British English, while "categorize" follows American English.

Which spelling should be used in academic contexts?

Use the spelling that aligns with the English variant of your academic institution.

Are both spellings recognized globally?

Yes, both spellings are recognized and understood globally.

Do these differences affect digital content creation?

Yes, choosing a spelling can reflect the intended audience's language preference.

Will using one spelling over the other confuse readers?

Not typically, as the context usually makes the intent clear.

Is one form more correct than the other?

No, both forms are correct within their respective versions of English.

Why do British and American English have these spelling differences?

Historical linguistic evolution and cultural influences have led to variations.

How does the spelling choice impact international communication?

Awareness and use of the appropriate spelling can enhance clarity and professionalism.

In software development, is there a preferred spelling?

"Categorize" is often used due to the global influence of American English in technology.

How important is consistency in spelling for professional writing?

Very important, as consistency aids in maintaining clarity and credibility.

Is there a difference in meaning between the two?

No, both terms share the same meaning but differ in regional spelling.

Can spelling preferences change over time?

Yes, language evolves, and spelling preferences can shift with cultural and linguistic trends.

Does the choice of spelling matter in legal or official documents?

Yes, it's important to use the spelling consistent with the document's legal jurisdiction.

Are there tools to help decide which spelling to use?

Yes, style guides and spell checkers configured for specific English variants can assist.

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Author Spotlight

Written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.
Co-written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.

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