Denim
Part of speech: noun
Definition: A textile often made of cotton with a distinct diagonal pattern.
Jean
Part of speech: noun
Definition: Denim.
Part of speech: adjective
Definition: Made of denim (as "jean jacket").
Denim as a noun is a textile often made of cotton with a distinct diagonal pattern. while Jean as a noun is denim.
Part of speech: noun
Definition: A textile often made of cotton with a distinct diagonal pattern.
Part of speech: noun
Definition: Denim.
Part of speech: adjective
Definition: Made of denim (as "jean jacket").
We hope you now know whether to use Denim or Jean in your sentence.