snitcher vs stoolpigeon

snitcher and stoolpigeon both are nouns.

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

As nouns, snitcher and stoolpigeon are synonyms defined as:

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

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

snitcher (noun)	stoolpigeon (noun)
someone acting as an informer or decoy for the police	someone acting as an informer or decoy for the police
a thief who steals without using violence