Australian spelling vs solemnise

Australian spelling is a noun but solemnise is not a noun.

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

Australian spelling (noun)	solemnise (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

Australian spelling (verb)	solemnise (verb)
	make solemn and grave
	observe or perform with dignity or gravity
	perform (the wedding ceremony) with proper ceremonies