twaddle vs blabber

twaddle and blabber both are nouns.

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

As verbs, twaddle and blabber are synonyms defined as:

twaddle and blabber: speak (about unimportant matters) rapidly and incessantly

Other synonyms of twaddle include blab, chatter, clack, gabble, gibber, maunder, palaver, piffle, prate, prattle, tattle, tittle-tattle.

twaddle (noun)	blabber (noun)
pretentious or silly talk or writing	one who reveals confidential information to the police or other authority

twaddle (verb)	blabber (verb)
speak (about unimportant matters) rapidly and incessantly	speak (about unimportant matters) rapidly and incessantly