weaver vs oscine bird

weaver and oscine bird both are nouns.

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

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

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

Other hypernyms of weaver include oscine.

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