colonise vs British spelling

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

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

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

colonise (verb)	British spelling (verb)
settle as colonists or establish a colony (in)
settle as a colony; of countries in the developing world