tattletale vs gossip

tattletale and gossip both are nouns.

Word	Noun	Adjective	Verb	Adverb
tattletale	Yes	No	No	No
gossip	Yes	No	Yes	No

As nouns, gossip is a hypernym of tattletale; that is, gossip is a word with a broader meaning than tattletale:

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

Other hypernyms of tattletale include gossiper, gossipmonger, newsmonger, rumormonger, rumourmonger.

tattletale (noun)	gossip (noun)
someone who gossips indiscreetly	light informal conversation for social occasions
	a report (often malicious) about the behavior of other people
	a person given to gossiping and divulging personal information about others

tattletale (verb)	gossip (verb)
	wag one's tongue; speak about others and reveal secrets or intimacies
	talk socially without exchanging too much information