internationalise vs Australian spelling

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

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

internationalise (noun)	Australian spelling (noun)
	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

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