waxwing vs oscine

waxwing and oscine both are nouns.

Word	Noun	Adjective	Verb	Adverb
waxwing	Yes	No	No	No
oscine	Yes	Yes	No	No

As nouns, oscine is a hypernym of waxwing; that is, oscine is a word with a broader meaning than waxwing:

waxwing: brown velvety-plumaged songbirds of the Northern Hemisphere having crested heads and red waxy wing tips
oscine: passerine bird having specialized vocal apparatus

Other hypernyms of waxwing include oscine bird.

waxwing (noun)	oscine (noun)
brown velvety-plumaged songbirds of the Northern Hemisphere having crested heads and red waxy wing tips	passerine bird having specialized vocal apparatus

waxwing (adjective)	oscine (adjective)
	of or relating to the songbirds