reward vs reinforce

reward is a noun but reinforce is not a noun.

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

As verbs, reward and reinforce are synonyms defined as:

reward (noun)	reinforce (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

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