British spelling vs desalinisation

British spelling and desalinisation both are nouns.

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

British spelling (noun)	desalinisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the removal of salt (especially from sea water)