conserve vs cookery

conserve and cookery both are nouns.

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

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

conserve (verb)	cookery (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