economise vs British spelling

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

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

economise (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

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