penalty vs reward

penalty and reward both are nouns.

Word	Noun	Adjective	Verb	Adverb
penalty	Yes	No	No	No
reward	Yes	No	Yes	No

penalty (noun)	reward (noun)
the act of punishing, or the infliction of a penalty	an act performed to strengthen approved behavior
the disadvantage or painful consequences of an action or condition	benefit resulting from some event or action
(games) a handicap or disadvantage that is imposed on a competitor (or a team) for an infraction of the rules of the game	the offer of money for helping to find a criminal or for returning lost property
a payment required for not fulfilling a contract	a recompense for worthy acts or retribution for wrongdoing
	payment made in return for a service rendered

penalty (verb)	reward (verb)
	strengthen and support with rewards
	act or give recompense in recognition of someone's behavior or actions
	bestow honor or rewards upon