apologise vs British spelling

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

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

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

apologise (verb)	British spelling (verb)
acknowledge faults or shortcomings or failing
defend, explain, clear away, or make excuses for by reasoning