stool pigeon vs snitcher

stool pigeon and snitcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
stool pigeon	Yes	No	No	No
snitcher	Yes	No	No	No

As nouns, stool pigeon and snitcher are synonyms defined as:

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

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

stool pigeon (noun)	snitcher (noun)
a dummy pigeon used to decoy others	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