crenelate vs crenelation

crenelate is not a noun while crenelation is a noun.

Word	Noun	Adjective	Verb	Adverb
crenelate	No	No	Yes	No
crenelation	Yes	No	No	No

crenelate (noun)	crenelation (noun)
	the action of constructing ramparts with gaps for firing guns or arrows
	a rampart built around the top of a castle with regular gaps for firing arrows or guns

crenelate (verb)	crenelation (verb)
supply with battlements