ship vs bulwark

ship and bulwark both are nouns.

Word	Noun	Adjective	Verb	Adverb
ship	Yes	No	Yes	No
bulwark	Yes	No	Yes	No

ship (noun)	bulwark (noun)
a vessel that carries passengers or freight	a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
	an embankment built around a space for defensive purposes
	a fencelike structure around a deck