Judaica vs collection

Judaica and collection both are nouns.

Word	Noun	Adjective	Verb	Adverb
Judaica	Yes	No	No	No
collection	Yes	No	No	No

As nouns, collection is a hypernym of Judaica; that is, collection is a word with a broader meaning than Judaica:

Other hypernyms of Judaica include accumulation, aggregation, assemblage.

Judaica (noun)	collection (noun)
materials relating to Judaism	the act of gathering something together
	a publication containing a variety of works
	request for a sum of money
	several things grouped together or considered as a whole