blabber vs gabble

blabber and gabble both are nouns.

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

As verbs, blabber and gabble are synonyms defined as:

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

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

blabber (noun)	gabble (noun)
one who reveals confidential information to the police or other authority	rapid and indistinct speech

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