Cousin vs Kin

When to use each in English, with meaning, register, and examples.

Cousin

Top 2,000 (common)A1noun

Kin

Beyond 10,000 (less common)
Most common: Cousin
 CousinKin
Pronunciation🇬🇧 /["/ˈkʌzn/"]/🇺🇸 /["/ˈkʌzn/"]/🇬🇧 //kɪn//🇺🇸 //kɪn//
MeaningThe child of your aunt or uncle.Family members or relatives.
ExampleMy cousin and I used to play together every summer.She invited all her kin to the wedding.
RegisterNeutralNeutral
How commonTop 2,000 (common)Beyond 10,000 (less common)
CEFR levelA1-
Part of speechnoun
Collocationsfirst, second, distant, cousin once, twice, etc. removed, first, second, distant, cousin once, twice, etc. removednext of kin, blood kin, distant kin
Antonymsstranger, foreigner, non-relativestranger, enemy
Common mistakesConfused with 'nephew' or 'niece', which refer to siblings' children., Using 'cousins' to refer to unrelated friends., Misunderstanding the family tree relation when discussing blended families.Confusing 'kin' with 'kind' as they sound similar., Using 'kins' as a plural; 'kin' is already plural.
Usage notesUse 'cousin' when referring to family members who share grandparents but not parents. It's appropriate in both spoken and written contexts. In more formal discussions about family, you might specify 'first cousin' or 'second cousin'.Used in both formal and informal contexts. Typically refers to family or relatives, especially in phrases like 'next of kin'.

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Cousin
Kin

Frequently asked questions: Cousin vs Kin

What's the difference between Cousin and Kin?

Cousin: The child of your aunt or uncle. Kin: Family members or relatives.

Which is more common: Cousin and Kin?

Cousin is the most common in everyday English.

Can you show an example of each?

Cousin: My cousin and I used to play together every summer. Kin: She invited all her kin to the wedding.

Can I use Cousin and Kin interchangeably?

Not always. Cousin and Kin are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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