economy vs economize

economy is a noun but economize is not a noun.

Word	Noun	Adjective	Verb	Adverb
economy	Yes	No	No	No
economize	No	No	Yes	No

economy (noun)	economize (noun)
an act of economizing; reduction in cost
frugality in the expenditure of money or resources
the efficient use of resources
the system of production and distribution and consumption

economy (verb)	economize (verb)
	use cautiously and frugally
	spend sparingly, avoid the waste of