babble out vs talk

babble out is not a noun while talk is a noun.

Word	Noun	Adjective	Verb	Adverb
babble out	No	No	Yes	No
talk	Yes	No	Yes	No

As verbs, babble out and talk are synonyms defined as:

Other synonyms of babble out include babble, blab, blab out, let the cat out of the bag, peach, sing, spill the beans, tattle.

babble out (noun)	talk (noun)
	the act of giving a talk to an audience
	an exchange of ideas via conversation
	idle gossip or rumor
	a speech that is open to the public
	discussion; (`talk about' is a less formal alternative for `discussion of')

babble out (verb)	talk (verb)
divulge confidential information or secrets	express in speech
	exchange thoughts; talk with
	reveal information
	use language
	deliver a lecture or talk
	divulge confidential information or secrets