roast vs cooking

roast and cooking both are nouns.

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

roast (noun)	cooking (noun)
negative criticism	the act of preparing something (as food) by the application of heat
a piece of meat roasted or for roasting and of a size for slicing into more than one portion

roast (adjective)	cooking (adjective)
(meat) cooked by dry heat in an oven

roast (verb)	cooking (verb)
cook with dry heat, usually in an oven
subject to laughter or ridicule