intellectualization vs intellectualisation

intellectualization and intellectualisation both are nouns.

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

As nouns, intellectualization and intellectualisation are synonyms defined as:

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

intellectualization (noun)	intellectualisation (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