roast vs criticism

roast and criticism both are nouns.

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

As nouns, criticism is a hypernym of roast; that is, criticism is a word with a broader meaning than roast:

Other hypernyms of roast include critique.

roast (noun)	criticism (noun)
negative criticism	a serious examination and judgment of something
a piece of meat roasted or for roasting and of a size for slicing into more than one portion	disapproval expressed by pointing out faults or shortcomings
	a written evaluation of a work of literature

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

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