jetty vs bulwark

jetty and bulwark both are nouns.

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

As nouns, jetty and bulwark are synonyms defined as:

jetty and bulwark: a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away

Other synonyms of jetty include breakwater, groin, groyne, mole, seawall.

jetty (noun)	bulwark (noun)
a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away	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

jetty (verb)	bulwark (verb)
	defend with a bulwark