penalty vs penalise

penalty is a noun but penalise is not a noun.

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

penalty (noun)	penalise (noun)
the act of punishing, or the infliction of a penalty
the disadvantage or painful consequences of an action or condition
(games) a handicap or disadvantage that is imposed on a competitor (or a team) for an infraction of the rules of the game
a payment required for not fulfilling a contract

penalty (verb)	penalise (verb)
	impose a penalty on; inflict punishment on