dichotomise vs Australian spelling

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

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

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

dichotomise (verb)	Australian spelling (verb)
divide into two opposing groups or kinds