decentralising vs British spelling

decentralising is not a noun while British spelling is a noun.

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

decentralising (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

decentralising (adjective)	British spelling (adjective)
tending away from a central point