desalinization vs desalinisation

desalinization and desalinisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
desalinization	Yes	No	No	No
desalinisation	Yes	No	No	No

As nouns, desalinization and desalinisation are synonyms defined as:

desalinization and desalinisation: the removal of salt (especially from sea water)

Other synonyms of desalinization include desalination.

desalinization (noun)	desalinisation (noun)
the removal of salt (especially from sea water)	the removal of salt (especially from sea water)