reinforce vs reward

reinforce is not a noun while reward is a noun.

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

As verbs, reinforce and reward are synonyms defined as:

reinforce (noun)	reward (noun)
	an act performed to strengthen approved behavior
	benefit resulting from some event or action
	the offer of money for helping to find a criminal or for returning lost property
	a recompense for worthy acts or retribution for wrongdoing
	payment made in return for a service rendered

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