blab out vs let the cat out of the bag

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

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

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

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

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

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