gang fight vs rumble

gang fight and rumble both are nouns.

Word	Noun	Adjective	Verb	Adverb
gang fight	Yes	No	No	No
rumble	Yes	No	Yes	No

As nouns, gang fight and rumble are synonyms defined as:

gang fight (noun)	rumble (noun)
a fight between rival gangs of adolescents	a fight between rival gangs of adolescents
	a servant's seat (or luggage compartment) in the rear of a carriage
	a loud low dull continuous noise

gang fight (verb)	rumble (verb)
	to utter or emit low dull rumbling sounds
	make a low noise