nationalisation vs nationalise

nationalisation is a noun but nationalise is not a noun.

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

nationalisation (noun)	nationalise (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

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