yenta vs rumourmonger

yenta and rumourmonger both are nouns.

Word	Noun	Adjective	Verb	Adverb
yenta	Yes	No	No	No
rumourmonger	Yes	No	No	No

As nouns, rumourmonger is a hypernym of yenta; that is, rumourmonger is a word with a broader meaning than yenta:

yenta: (Yiddish) a woman who talks too much; a gossip unable to keep a secret; a woman who spreads rumors and scandal
rumourmonger: a person given to gossiping and divulging personal information about others

Other hypernyms of yenta include gossip, gossiper, gossipmonger, newsmonger, rumormonger.

yenta (noun)	rumourmonger (noun)
(Yiddish) a woman who talks too much; a gossip unable to keep a secret; a woman who spreads rumors and scandal	a person given to gossiping and divulging personal information about others
(Yiddish) a vulgar shrew; a shallow coarse termagant