quintet vs assemblage

quintet and assemblage both are nouns.

Word	Noun	Adjective	Verb	Adverb
quintet	Yes	No	No	No
assemblage	Yes	No	No	No

As nouns, assemblage is a hypernym of quintet; that is, assemblage is a word with a broader meaning than quintet:

Other hypernyms of quintet include gathering.

quintet (noun)	assemblage (noun)
a musical composition for five performers	the social act of assembling
five people considered as a unit	a system of components assembled together for a particular purpose
a set of five similar things considered as a unit	a group of persons together in one place
five performers or singers who perform together	several things grouped together or considered as a whole
the cardinal number that is the sum of four and one