lateralisation vs Australian spelling

lateralisation and Australian spelling both are nouns.

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

lateralisation (noun)	Australian spelling (noun)
localization of function on either the right or left sides of the brain	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')