broiling vs cooking

broiling and cooking both are nouns.

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

As nouns, cooking is a hypernym of broiling; that is, cooking is a word with a broader meaning than broiling:

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

Other hypernyms of broiling include cookery, preparation.

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