foursome vs assemblage

foursome and assemblage both are nouns.

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

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

Other hypernyms of foursome include gathering.

foursome (noun)	assemblage (noun)
four people considered as a unit	the social act of assembling
the cardinal number that is the sum of three and one	a system of components assembled together for a particular purpose
	a group of persons together in one place
	several things grouped together or considered as a whole