British spelling vs sanitisation

British spelling and sanitisation both are nouns.

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

British spelling (noun)	sanitisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	making something sanitary (free of germs) as by sterilizing