British spelling vs demagnetisation

British spelling and demagnetisation both are nouns.

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

British spelling (noun)	demagnetisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the process of removing magnetization