intellectualisation vs British spelling

intellectualisation and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
intellectualisation	Yes	No	No	No
British spelling	Yes	No	No	No

intellectualisation (noun)	British spelling (noun)
(psychiatry) a defense mechanism that uses reasoning to block out emotional stress and conflict	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')