The linguistics paper discussed the privative case as a marker of absence in several Uralic languages.

I bought a new pillow case to match my duvet cover.

Before submitting the manuscript, please change the section titles to lower-case to match the style guide.

The search function supports case-insensitive queries by default.

Because the username field is case-sensitive, 'Admin' and 'admin' are treated as different accounts.

Don't be such a head-case; take a deep breath and calm down.

Don't be such a head case about the minor mistakes — you'll do fine.

When Jake fixed the old radio with a paperclip, he jokingly called himself a nut case, and everyone laughed.

The professor assigned a chapter from the case-book to prepare for class discussion.

I bought a limited edition book that came in a protective slip-case.