sentimentalisation vs Australian spelling

sentimentalisation and Australian spelling both are nouns.

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

sentimentalisation (noun)	Australian spelling (noun)
the act of indulging in sentiment	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')