Australian spelling vs fertilise

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

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

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

Australian spelling (verb)	fertilise (verb)
	introduce semen into (a female)
	provide with fertilizers or add nutrients to
	make fertile or productive