IPA: /ˈbʊkˌkeɪs/
KK: /ˈbʊkˌkeɪs/
A piece of furniture that has shelves for storing books.
She organized her novels neatly on the bookcase.
Bookcase → It is formed from "book" (from Old English *bōc*, meaning a written work or text) and "case" (from Old French *casse*, meaning a box or container). A bookcase is a container or box designed to hold books.
Think of a 'box' ('case') that holds 'written works' ('book') — that's what a bookcase is.
No commonly confused words.