regularise vs regularisation

regularise is not a noun while regularisation is a noun.

Word	Noun	Adjective	Verb	Adverb
regularise	No	No	Yes	No
regularisation	Yes	No	No	No

regularise (noun)	regularisation (noun)
	the act of bringing to uniformity; making regular
	the condition of having been made regular (or more regular)

regularise (verb)	regularisation (verb)
make regular or more regular
bring into conformity with rules or principles or usage; impose regulations