frying vs cooking

frying and cooking both are nouns.

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

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

frying: cooking in fat or oil in a pan or griddle
cooking: the act of preparing something (as food) by the application of heat

Other hypernyms of frying include cookery, preparation.

frying (noun)	cooking (noun)
cooking in fat or oil in a pan or griddle	the act of preparing something (as food) by the application of heat