stamp collection vs collection

stamp collection and collection both are nouns.

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

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

Other hypernyms of stamp collection include aggregation, assembling, collecting.

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

Other hypernyms of stamp collection include accumulation, aggregation, assemblage.

stamp collection (noun)	collection (noun)
the collection and study of postage stamps	the act of gathering something together
a collection of stamps	a publication containing a variety of works
	request for a sum of money
	several things grouped together or considered as a whole