assembly vs assemblage

assembly and assemblage both are nouns.

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

As nouns, assembly and assemblage are synonyms defined as:

Other synonyms of assembly include gathering.

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

Other hypernyms of assembly include gathering.

assembly (noun)	assemblage (noun)
the social act of assembling	the social act of assembling
the act of constructing something (as a piece of machinery)	a system of components assembled together for a particular purpose
a group of machine parts that fit together to form a self-contained unit	a group of persons together in one place
a public facility to meet for open discussion	several things grouped together or considered as a whole
a unit consisting of components that have been fitted together
a group of persons who are gathered together for a common purpose