roustabout vs tar

roustabout and tar both are nouns.

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

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

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

roustabout (noun)	tar (noun)
a member of a ship's crew who performs manual labor	a man who serves as a sailor
	any of various dark heavy viscid substances obtained as a residue

roustabout (verb)	tar (verb)
	coat with tar