battlement vs fort

battlement and fort both are nouns.

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

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

battlement (verb)	fort (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