cooking vs braising

cooking and braising both are nouns.

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

As nouns, braising is a hyponym of cooking; that is, braising is a word with a more specific, narrower meaning than cooking:

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

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