blather vs babble

blather and babble both are nouns.

Word	Noun	Adjective	Verb	Adverb
blather	Yes	No	Yes	No
babble	Yes	No	Yes	No

As verbs, blather and babble are synonyms defined as:

Other synonyms of blather include blether, blither, smatter.

blather (noun)	babble (noun)
foolish gibberish	gibberish resembling the sounds of a baby

blather (verb)	babble (verb)
to talk foolishly	to talk foolishly
	divulge confidential information or secrets
	utter meaningless sounds, like a baby, or utter in an incoherent way
	flow in an irregular current with a bubbling noise