prologise vs Australian spelling

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

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

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

prologise (verb)	Australian spelling (verb)
write or speak a prologue