gang vs gathering

gang and gathering both are nouns.

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

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

Other hypernyms of gang include assemblage.

gang (noun)	gathering (noun)
tool consisting of a combination of implements arranged to work together	the social act of assembling
an organized group of workmen	the act of gathering something
an association of criminals	sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
an informal body of friends	a group of persons together in one place

gang (verb)	gathering (verb)
act as an organized group