rumble vs rumbling

rumble and rumbling both are nouns.

Word	Noun	Adjective	Verb	Adverb
rumble	Yes	No	Yes	No
rumbling	Yes	Yes	No	No

As nouns, rumble and rumbling are synonyms defined as:

Other synonyms of rumble include grumble, grumbling.

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

rumble (adjective)	rumbling (adjective)
	continuous full and low-pitched throbbing sound

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