nationalise vs nationalisation

nationalise is not a noun while nationalisation is a noun.

Word	Noun	Adjective	Verb	Adverb
nationalise	No	No	Yes	No
nationalisation	Yes	No	No	No

nationalise (noun)	nationalisation (noun)
	changing something from private to state ownership or control
	the action of rendering national in character
	the action of forming or becoming a nation

nationalise (verb)	nationalisation (verb)
put under state control or ownership
make national in character or scope