smorgasbord vs assemblage

smorgasbord and assemblage both are nouns.

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

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

Other hypernyms of smorgasbord include accumulation, aggregation, collection.

smorgasbord (noun)	assemblage (noun)
an assortment of foods starting with herring or smoked eel or salmon etc with bread and butter; then cheeses and eggs and pickled vegetables and aspics; finally hot foods; served as a buffet meal	the social act of assembling
a collection containing a variety of sorts of things	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