memorialisation vs Australian spelling

memorialisation and Australian spelling both are nouns.

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

memorialisation (noun)	Australian spelling (noun)
a ceremony to honor the memory of someone or something	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')