British spelling vs digitisation

British spelling and digitisation both are nouns.

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

British spelling (noun)	digitisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	conversion of analog information into digital information