newsmonger vs telltale

newsmonger and telltale both are nouns.

Word	Noun	Adjective	Verb	Adverb
newsmonger	Yes	No	No	No
telltale	Yes	Yes	No	No

As nouns, telltale is a hyponym of newsmonger; that is, telltale is a word with a more specific, narrower meaning than newsmonger:

newsmonger: a person given to gossiping and divulging personal information about others
telltale: someone who gossips indiscreetly

Other hyponyms of newsmonger include cat, scandalmonger, blabbermouth, talebearer, taleteller, tattler, tattletale, yenta.

newsmonger (noun)	telltale (noun)
a person given to gossiping and divulging personal information about others	someone who gossips indiscreetly

newsmonger (adjective)	telltale (adjective)
	disclosing unintentionally something concealed