Old World oriole vs oscine

Old World oriole and oscine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Old World oriole	Yes	No	No	No
oscine	Yes	Yes	No	No

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

Old World oriole: mostly tropical songbird; the male is usually bright orange and black
oscine: passerine bird having specialized vocal apparatus

Other hypernyms of Old World oriole include oscine bird.

Old World oriole (noun)	oscine (noun)
mostly tropical songbird; the male is usually bright orange and black	passerine bird having specialized vocal apparatus

Old World oriole (adjective)	oscine (adjective)
	of or relating to the songbirds