grapevine vs gossip

grapevine and gossip both are nouns.

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

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

Other hypernyms of grapevine include comment, scuttlebutt.

grapevine (noun)	gossip (noun)
gossip spread by spoken communication	light informal conversation for social occasions
any of numerous woody vines of genus Vitis bearing clusters of edible berries	a report (often malicious) about the behavior of other people
	a person given to gossiping and divulging personal information about others

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