manipulate vs manipulation

manipulate is not a noun while manipulation is a noun.

Word	Noun	Adjective	Verb	Adverb
manipulate	No	No	Yes	No
manipulation	Yes	No	No	No

manipulate (noun)	manipulation (noun)
	exerting shrewd or devious influence especially for one's own advantage
	the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means

manipulate (verb)	manipulation (verb)
treat manually, as with massage, for therapeutic purposed
hold something in one's hands and move it
maintain influence over (others or oneself) skillfully, usually to one's advantage
manipulate in a fraudulent manner
influence or control shrewdly or deviously
tamper, with the purpose of deception