throng vs gathering

throng and gathering both are nouns.

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

As nouns, gathering is a hypernym of throng; that is, gathering is a word with a broader meaning than throng:

Other hypernyms of throng include assemblage.

throng (noun)	gathering (noun)
a large gathering of people	the social act of assembling
	the act of gathering something
	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

throng (verb)	gathering (verb)
press tightly together or cram