twaddle vs verbalize

twaddle is a noun but verbalize is not a noun.

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

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

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

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

twaddle (verb)	verbalize (verb)
speak (about unimportant matters) rapidly and incessantly	convert into a verb
	express in speech
	be verbose
	articulate; either verbally or with a cry, shout, or noise