trio vs assemblage

trio and assemblage both are nouns.

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

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

Other hypernyms of trio include gathering.

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