spill the beans vs babble

spill the beans is not a noun while babble is a noun.

Word	Noun	Adjective	Verb	Adverb
spill the beans	No	No	Yes	No
babble	Yes	No	Yes	No

As verbs, spill the beans and babble are synonyms defined as:

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

spill the beans (noun)	babble (noun)
	gibberish resembling the sounds of a baby

spill the beans (verb)	babble (verb)
divulge confidential information or secrets	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