dehumanisation vs Australian spelling

dehumanisation and Australian spelling both are nouns.

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

dehumanisation (noun)	Australian spelling (noun)
the act of degrading people with respect to their best qualities	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')