let the cat out of the bag vs blab out

let the cat out of the bag and blab out both are verbs.

Word	Noun	Adjective	Verb	Adverb
let the cat out of the bag	No	No	Yes	No
blab out	No	No	Yes	No

As verbs, let the cat out of the bag and blab out are synonyms defined as:

let the cat out of the bag and blab out: divulge confidential information or secrets

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

let the cat out of the bag (verb)	blab out (verb)
divulge confidential information or secrets	divulge confidential information or secrets