canary vs sneaker

canary and sneaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
canary	Yes	Yes	No	No
sneaker	Yes	No	No	No

As nouns, canary and sneaker are synonyms defined as:

canary and sneaker: someone acting as an informer or decoy for the police

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

canary (noun)	sneaker (noun)
any of several small Old World finches	a canvas shoe with a pliable rubber sole
a moderate yellow with a greenish tinge	someone acting as an informer or decoy for the police
a female singer
someone acting as an informer or decoy for the police

canary (adjective)	sneaker (adjective)
having the color of a canary; of a light to moderate yellow