vocalizer vs canary

vocalizer and canary both are nouns.

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

As nouns, canary is a hyponym of vocalizer; that is, canary is a word with a more specific, narrower meaning than vocalizer:

vocalizer (noun)	canary (noun)
a person who sings	any of several small Old World finches
an organism that can utter vocal sounds	a moderate yellow with a greenish tinge
	a female singer
	someone acting as an informer or decoy for the police

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