rampart vs bulwark

rampart and bulwark both are nouns.

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

As nouns, rampart and bulwark are synonyms defined as:

rampart and bulwark: an embankment built around a space for defensive purposes

Other synonyms of rampart include wall.

rampart (noun)	bulwark (noun)
an embankment built around a space for defensive purposes	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

rampart (verb)	bulwark (verb)
	defend with a bulwark