British spelling vs exteriorisation

British spelling and exteriorisation both are nouns.

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

British spelling (noun)	exteriorisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	embodying in an outward form