ruggedise vs Australian spelling

ruggedise is not a noun while Australian spelling is a noun.

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

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

ruggedise (verb)	Australian spelling (verb)
produce in a version designed to withstand rough usage