escarp vs fortification

escarp and fortification both are nouns.

Word	Noun	Adjective	Verb	Adverb
escarp	Yes	No	No	No
fortification	Yes	No	No	No

As nouns, fortification is a hypernym of escarp; that is, fortification is a word with a broader meaning than escarp:

escarp: a steep artificial slope in front of a fortification
fortification: defensive structure consisting of walls or mounds built around a stronghold to strengthen it

Other hypernyms of escarp include munition.

escarp (noun)	fortification (noun)
a steep artificial slope in front of a fortification	the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)
	defensive structure consisting of walls or mounds built around a stronghold to strengthen it
	the art or science of strengthening defenses