premeditate vs premeditation

premeditate is not a noun while premeditation is a noun.

Word	Noun	Adjective	Verb	Adverb
premeditate	No	No	Yes	No
premeditation	Yes	No	No	No

premeditate (noun)	premeditation (noun)
	planning or plotting in advance of acting
	(law) thought and intention to commit a crime well in advance of the crime; goes to show criminal intent

premeditate (verb)	premeditation (verb)
consider, ponder, or plan (an action) beforehand
think or reflect beforehand or in advance