visualisation vs Australian spelling

visualisation and Australian spelling both are nouns.

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

visualisation (noun)	Australian spelling (noun)
a mental image that is similar to a visual perception	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')