demineralise vs demineralisation

demineralise is not a noun while demineralisation is a noun.

Word	Noun	Adjective	Verb	Adverb
demineralise	No	No	Yes	No
demineralisation	Yes	No	No	No

demineralise (noun)	demineralisation (noun)
	the removal of minerals and mineral salts from a liquid (especially from water)
	abnormal loss of mineral salts (especially from bone)

demineralise (verb)	demineralisation (verb)
remove the minerals or salts from