repertory vs collection

repertory and collection both are nouns.

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

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

repertory: the entire range of skills or aptitudes or devices used in a particular field or occupation
collection: several things grouped together or considered as a whole

Other hypernyms of repertory include accumulation, aggregation, assemblage.

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

repertory: a collection of works (plays, songs, operas, ballets) that an artist or company can perform and do perform for short intervals on a regular schedule
collection: several things grouped together or considered as a whole

Other hypernyms of repertory include accumulation, aggregation, assemblage.

repertory (noun)	collection (noun)
a storehouse where a stock of things is kept	the act of gathering something together
the entire range of skills or aptitudes or devices used in a particular field or occupation	a publication containing a variety of works
a collection of works (plays, songs, operas, ballets) that an artist or company can perform and do perform for short intervals on a regular schedule	request for a sum of money
a theatrical company that performs plays from a repertoire	several things grouped together or considered as a whole