British spelling vs motorisation

British spelling and motorisation both are nouns.

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

British spelling (noun)	motorisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the act of motorizing (equipping with motors or with motor vehicles)