weaver finch vs oscine

weaver finch and oscine both are nouns.

Word	Noun	Adjective	Verb	Adverb
weaver finch	Yes	No	No	No
oscine	Yes	Yes	No	No

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

weaver finch: finch-like African and Asian colonial birds noted for their elaborately woven nests
oscine: passerine bird having specialized vocal apparatus

Other hypernyms of weaver finch include oscine bird.

weaver finch (noun)	oscine (noun)
finch-like African and Asian colonial birds noted for their elaborately woven nests	passerine bird having specialized vocal apparatus

weaver finch (adjective)	oscine (adjective)
	of or relating to the songbirds