fertilise vs Australian spelling

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

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

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

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