rumble vs utter

rumble is a noun but utter is not a noun.

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

As verbs, utter is a hypernym of rumble; that is, utter is a word with a broader meaning than rumble:

Other hypernyms of rumble include emit, let loose, let out.

rumble (noun)	utter (noun)
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

rumble (adjective)	utter (adjective)
	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

rumble (verb)	utter (verb)
to utter or emit low dull rumbling sounds	express in speech
make a low noise	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation