gathering vs assemblage

gathering and assemblage both are nouns.

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

As nouns, gathering and assemblage are synonyms defined as:

Other synonyms of gathering include assembly.

As nouns, gathering and assemblage are synonyms defined as:

gathering (noun)	assemblage (noun)
the social act of assembling	the social act of assembling
the act of gathering something	a system of components assembled together for a particular purpose
sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching	a group of persons together in one place
a group of persons together in one place	several things grouped together or considered as a whole