cookery vs broiling

cookery and broiling both are nouns.

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

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

cookery: the act of preparing something (as food) by the application of heat
broiling: cooking by direct exposure to radiant heat (as over a fire or under a grill)

cookery (noun)	broiling (noun)
the act of preparing something (as food) by the application of heat	cooking by direct exposure to radiant heat (as over a fire or under a grill)