roustabout vs deckhand

roustabout and deckhand both are nouns.

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

As nouns, roustabout and deckhand are synonyms defined as:

roustabout and deckhand: a member of a ship's crew who performs manual labor

roustabout (noun)	deckhand (noun)
a member of a ship's crew who performs manual labor	a member of a ship's crew who performs manual labor