blabber vs twaddle

blabber and twaddle both are nouns.

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

As verbs, blabber and twaddle are synonyms defined as:

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

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

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

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