Java finch vs weaver

Java finch and weaver both are nouns.

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

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

Java finch: small finch-like Indonesian weaverbird that frequents rice fields
weaver: finch-like African and Asian colonial birds noted for their elaborately woven nests

Other hypernyms of Java finch include weaver finch, weaverbird.

Java finch (noun)	weaver (noun)
small finch-like Indonesian weaverbird that frequents rice fields	finch-like African and Asian colonial birds noted for their elaborately woven nests
	a craftsman who weaves cloth