British spelling vs actualisation

British spelling and actualisation both are nouns.

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

British spelling (noun)	actualisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	making real or giving the appearance of reality