cooky vs biscuit

cooky and biscuit both are nouns.

Word	Noun	Adjective	Verb	Adverb
cooky	Yes	No	No	No
biscuit	Yes	No	No	No

As nouns, cooky and biscuit are synonyms defined as:

Other synonyms of cooky include cookie.

cooky (noun)	biscuit (noun)
any of various small flat sweet cakes	small round bread leavened with baking-powder or soda
the cook on a ranch or at a camp	any of various small flat sweet cakes