blab out vs reveal

blab out and reveal both are verbs.

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

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

blab out: divulge confidential information or secrets
reveal: 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, expose, give away, let on, let out, uncover, unwrap.

blab out (verb)	reveal (verb)
divulge confidential information or secrets	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
	make manifest
	disclose directly or through prophets