concertise vs British spelling

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

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

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

concertise (verb)	British spelling (verb)
give concerts; perform in concerts