overcapitalisation vs Australian spelling

overcapitalisation and Australian spelling both are nouns.

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

overcapitalisation (noun)	Australian spelling (noun)
(business) too much capitalization (the sale of more stock than the business warrants)	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')