linearise vs Australian spelling

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

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

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

linearise (verb)	Australian spelling (verb)
make linear or get into a linear form