constitutionalise vs British spelling

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

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

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

constitutionalise (verb)	British spelling (verb)
incorporate into a constitution, make constitutional