regularisation vs regularization

regularisation and regularization both are nouns.

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

As nouns, regularisation and regularization are synonyms defined as:

regularisation and regularization: the act of bringing to uniformity; making regular

Other synonyms of regularisation include regulation.

As nouns, regularisation and regularization are synonyms defined as:

regularisation and regularization: the condition of having been made regular (or more regular)

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