economise vs Australian spelling

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

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

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

economise (verb)	Australian spelling (verb)
use cautiously and frugally
spend sparingly, avoid the waste of