gather vs assemble

gather is a noun but assemble is not a noun.

Word	Noun	Adjective	Verb	Adverb
gather	Yes	No	Yes	No
assemble	No	No	Yes	No

As verbs, gather and assemble are synonyms defined as:

Other synonyms of gather include foregather, forgather, meet.

As verbs, gather and assemble are synonyms defined as:

Other synonyms of gather include get together.

gather (noun)	assemble (noun)
the act of gathering something
sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching

gather (verb)	assemble (verb)
increase in amount by collecting or gathering	create by putting components or members together
increase or develop	collect in one place
conclude from evidence	get people together
assemble or get together
draw together into folds or puckers
look for (food) in nature
draw and bring closer
collect in one place
get people together