blab out vs expose

blab out is not a noun while expose is a noun.

Word	Noun	Adjective	Verb	Adverb
blab out	No	No	Yes	No
expose	Yes	No	Yes	No

As verbs, expose is a hypernym of blab out; that is, expose is a word with a broader meaning than blab out:

blab out: divulge confidential information or secrets
expose: make known to the public information that was previously known only to a few people or that was meant to be kept a secret

Other hypernyms of blab out include break, bring out, disclose, discover, divulge, give away, let on, let out, reveal, uncover, unwrap.

blab out (noun)	expose (noun)
	the exposure of an impostor or a fraud

blab out (verb)	expose (verb)
divulge confidential information or secrets	abandon by leaving out in the open air
	expose while ridiculing; especially of pretentious or false claims and ideas
	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
	put in a dangerous, disadvantageous, or difficult position
	remove all or part of one's clothes to show one's body
	to show, make visible or apparent
	expose to light, of photographic film
	expose or make accessible to some action or influence
	reveal to view as by removing a cover