Australian spelling vs Americanise

Australian spelling is a noun but Americanise is not a noun.

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

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

Australian spelling (verb)	Americanise (verb)
	become American in character
	make American in character