digitalization vs digitalisation

digitalization and digitalisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
digitalization	Yes	No	No	No
digitalisation	Yes	No	No	No

As nouns, digitalization and digitalisation are synonyms defined as:

digitalization and digitalisation: the administration of digitalis for the treatment of certain heart disorders

digitalization (noun)	digitalisation (noun)
the administration of digitalis for the treatment of certain heart disorders	the administration of digitalis for the treatment of certain heart disorders