roustabout vs gob

roustabout and gob both are nouns.

Word	Noun	Adjective	Verb	Adverb
roustabout	Yes	No	No	No
gob	Yes	No	No	No

As nouns, gob is a hypernym of roustabout; that is, gob is a word with a broader meaning than roustabout:

Other hypernyms of roustabout include Jack-tar, Jack, mariner, old salt, sea dog, seafarer, seaman, tar.

roustabout (noun)	gob (noun)
a member of a ship's crew who performs manual labor	informal terms for the mouth
	a lump of slimy stuff
	a man who serves as a sailor