babble vs spill the beans

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

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

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

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

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

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