hearsay vs scuttlebutt

hearsay and scuttlebutt both are nouns.

Word	Noun	Adjective	Verb	Adverb
hearsay	Yes	Yes	No	No
scuttlebutt	Yes	No	No	No

As nouns, scuttlebutt is a hypernym of hearsay; that is, scuttlebutt is a word with a broader meaning than hearsay:

hearsay: gossip (usually a mixture of truth and untruth) passed around by word of mouth
scuttlebutt: a report (often malicious) about the behavior of other people

Other hypernyms of hearsay include comment, gossip.

hearsay (noun)	scuttlebutt (noun)
gossip (usually a mixture of truth and untruth) passed around by word of mouth	a report (often malicious) about the behavior of other people

hearsay (adjective)	scuttlebutt (adjective)
heard through another rather than directly