cookie vs biscuit

cookie and biscuit both are nouns.

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

As nouns, cookie and biscuit are synonyms defined as:

Other synonyms of cookie include cooky.

cookie (noun)	biscuit (noun)
a short line of text that a web site puts on your computer's hard drive when you access the web site	small round bread leavened with baking-powder or soda
any of various small flat sweet cakes	any of various small flat sweet cakes
the cook on a ranch or at a camp