intellectualisation vs intellectualization

intellectualisation and intellectualization both are nouns.

Word	Noun	Adjective	Verb	Adverb
intellectualisation	Yes	No	No	No
intellectualization	Yes	No	No	No

As nouns, intellectualisation and intellectualization are synonyms defined as:

intellectualisation and intellectualization: (psychiatry) a defense mechanism that uses reasoning to block out emotional stress and conflict

intellectualisation (noun)	intellectualization (noun)
(psychiatry) a defense mechanism that uses reasoning to block out emotional stress and conflict	(psychiatry) a defense mechanism that uses reasoning to block out emotional stress and conflict