cookery vs conserve

cookery and conserve both are nouns.

Word	Noun	Adjective	Verb	Adverb
cookery	Yes	No	No	No
conserve	Yes	No	Yes	No

cookery (noun)	conserve (noun)
the act of preparing something (as food) by the application of heat	fruit preserved by cooking with sugar

cookery (verb)	conserve (verb)
	preserve with sugar
	use cautiously and frugally
	keep in safety and protect from harm, decay, loss, or destruction
	keep constant through physical or chemical reactions or evolutionary change