IPA: /N/A/
KK: /N/A/
Not a valid English word.
Not available.
A book that contains blank checks that you can fill out to take money from your bank account.
I need to order a new checkbook because I have run out of checks.
Checkbook → It is formed from "check" (from Middle English *ceke*, meaning a mark or a token) and "book" (from Old English *bōc*, meaning a written document or ledger). A checkbook is a book containing checks used for making payments.
Think of a 'mark' or 'token' ('check') that you keep in a 'written document' ('book') to manage your payments.
No commonly confused words.