paramilitary organisation vs Australian spelling

paramilitary organisation and Australian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
paramilitary organisation	Yes	No	No	No
Australian spelling	Yes	No	No	No

paramilitary organisation (noun)	Australian spelling (noun)
a group of civilians organized in a military fashion (especially to operate in place of or to assist regular army troops)	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')