tattler vs newsmonger

tattler and newsmonger both are nouns.

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

As nouns, newsmonger is a hypernym of tattler; that is, newsmonger is a word with a broader meaning than tattler:

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

Other hypernyms of tattler include gossip, gossiper, gossipmonger, rumormonger, rumourmonger.

tattler (noun)	newsmonger (noun)
any of several long-legged shorebirds having a loud whistling cry	a person given to gossiping and divulging personal information about others
someone who gossips indiscreetly