Ca

California (approved especially for use with zip code).

chronological age ( def ).

to call, as to call an animal toward one; urge forward by calling.

variant of ker-.

cathode.

centiare.

Also ca (with a year) about:

capital account.

cash account.

credit account.

current account.

Central America.

chartered accountant.

Accounting. chief accountant.

Coast Artillery.

commercial agent.

consular agent.

controller of accounts.

current assets.