tanager vs oscine

tanager and oscine both are nouns.

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

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

tanager: any of numerous New World woodland birds having brightly colored males
oscine: passerine bird having specialized vocal apparatus

Other hypernyms of tanager include oscine bird.

tanager (noun)	oscine (noun)
any of numerous New World woodland birds having brightly colored males	passerine bird having specialized vocal apparatus

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