harmonise vs Australian spelling

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

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

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

harmonise (verb)	Australian spelling (verb)
bring into consonance, harmony, or accord while making music or singing
bring into consonance or accord
bring (several things) into consonance or relate harmoniously
sing or play in harmony
write a harmony for
go together