lampoon vs roast

lampoon and roast both are nouns.

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

As verbs, roast is a hypernym of lampoon; that is, roast is a word with a broader meaning than lampoon:

Other hypernyms of lampoon include blackguard, guy, jest at, laugh at, make fun, poke fun, rib, ridicule.

lampoon (noun)	roast (noun)
a composition that imitates or misrepresents somebody's style, usually in a humorous way	negative criticism
	a piece of meat roasted or for roasting and of a size for slicing into more than one portion

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

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