internationalise vs British spelling

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

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

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

internationalise (verb)	British spelling (verb)
make international in character
put under international control