fort vs battlement

fort and battlement both are nouns.

Word	Noun	Adjective	Verb	Adverb
fort	Yes	No	Yes	No
battlement	Yes	No	No	No

fort (noun)	battlement (noun)
a fortified defensive structure	a rampart built around the top of a castle with regular gaps for firing arrows or guns
a fortified military post where troops are stationed

fort (verb)	battlement (verb)
station (troops) in a fort
enclose by or as if by a fortification
gather in, or as if in, a fort, as for protection or defense