lexicalisation vs Australian spelling

lexicalisation and Australian spelling both are nouns.

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

lexicalisation (noun)	Australian spelling (noun)
the process of making a word to express a concept	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')