internalisation vs British spelling

internalisation and British spelling both are nouns.

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

internalisation (noun)	British spelling (noun)
learning (of values or attitudes etc.) that is incorporated within yourself	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')