British spelling vs desynchronisation

British spelling and desynchronisation both are nouns.

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

British spelling (noun)	desynchronisation (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	the relation that exists when things occur at unrelated times