sneaker vs canary

sneaker and canary both are nouns.

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

As nouns, sneaker and canary are synonyms defined as:

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

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

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

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