reward vs penalty

reward and penalty both are nouns.

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

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

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