twaddle vs utter

twaddle is a noun but utter is not a noun.

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

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

Other hypernyms of twaddle include mouth, speak, talk, verbalise, verbalize.

twaddle (noun)	utter (noun)
pretentious or silly talk or writing

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

twaddle (verb)	utter (verb)
speak (about unimportant matters) rapidly and incessantly	express in speech
	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation