twaddle vs verbalise

twaddle is a noun but verbalise is not a noun.

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

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

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

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

twaddle (verb)	verbalise (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