conceptualisation vs Australian spelling

conceptualisation and Australian spelling both are nouns.

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

conceptualisation (noun)	Australian spelling (noun)
inventing or contriving an idea or explanation and formulating it mentally	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
an elaborated concept