divulge vs tattle

divulge is not a noun while tattle is a noun.

Word	Noun	Adjective	Verb	Adverb
divulge	No	No	Yes	No
tattle	Yes	No	Yes	No

As verbs, tattle is a hyponym of divulge; that is, tattle is a word with a more specific, narrower meaning than divulge:

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

divulge (noun)	tattle (noun)
	disclosing information or giving evidence about another

divulge (verb)	tattle (verb)
make known to the public information that was previously known only to a few people or that was meant to be kept a secret	speak (about unimportant matters) rapidly and incessantly
	divulge confidential information or secrets