snitch vs stoolpigeon

snitch and stoolpigeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
snitch	Yes	No	Yes	No
stoolpigeon	Yes	No	No	No

As nouns, snitch and stoolpigeon are synonyms defined as:

snitch and stoolpigeon: someone acting as an informer or decoy for the police

Other synonyms of snitch include canary, fink, sneak, sneaker, snitcher, stool pigeon, stoolie.

snitch (noun)	stoolpigeon (noun)
someone acting as an informer or decoy for the police	someone acting as an informer or decoy for the police

snitch (verb)	stoolpigeon (verb)
give away information about somebody
take by theft