wall vs fortification

wall and fortification both are nouns.

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

wall (noun)	fortification (noun)
an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure	the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)
an embankment built around a space for defensive purposes	defensive structure consisting of walls or mounds built around a stronghold to strengthen it
a masonry fence (as around an estate or garden)	the art or science of strengthening defenses
a layer of material that encloses space
(anatomy) a layer (a lining or membrane) that encloses a structure
anything that suggests a wall in structure or function or effect
a vertical (or almost vertical) smooth rock face (as of a cave or mountain)
a difficult or awkward situation

wall (verb)	fortification (verb)
surround with a wall in order to fortify