British spelling vs oxidisation

British spelling and oxidisation both are nouns.

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

British spelling (noun)	oxidisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction