characterise vs British spelling

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

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

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

characterise (verb)	British spelling (verb)
describe or portray the character or the qualities or peculiarities of
be characteristic of