protective embankment vs escarpment

protective embankment and escarpment both are nouns.

Word	Noun	Adjective	Verb	Adverb
protective embankment	Yes	No	No	No
escarpment	Yes	No	No	No

As nouns, protective embankment and escarpment are synonyms defined as:

protective embankment and escarpment: a steep artificial slope in front of a fortification

Other synonyms of protective embankment include escarp, scarp.

protective embankment (noun)	escarpment (noun)
a steep artificial slope in front of a fortification	a steep artificial slope in front of a fortification
	a long steep slope or cliff at the edge of a plateau or ridge; usually formed by erosion