braising vs cookery

braising and cookery both are nouns.

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

As nouns, cookery is a hypernym of braising; that is, cookery is a word with a broader meaning than braising:

braising: cooking slowly in fat in a closed pot with little moisture
cookery: the act of preparing something (as food) by the application of heat

Other hypernyms of braising include cooking, preparation.

braising (noun)	cookery (noun)
cooking slowly in fat in a closed pot with little moisture	the act of preparing something (as food) by the application of heat