1) Reward = that which is offered or given in return for some service.

• Work without the hope of reward.
• The company rewarded him with a promotion.
• I won’t recommend giving sweets to children as a reward for being good.
• I find learning languages to be very rewarding.
• He deserves a reward for his efforts

2) Reward = a sum of money offered to anyone who can give information about lost or stolen property or about someone who is wanted by the police.

• The police have offered a reward of Rs. 10000/- for information leading to the arrest of the culprit.

Award = A prize or other mark of recognition given in honor of an achievement.

• Mohanlal was given the state award for the best actor.
• The Bank has declared the award for the best performer of the year.
• The company receives an award that can be a great way to market its products by gaining the trust of the public.
• He was awarded the Nobel prize for literature in 1908.
• Sulaiman was given the PWD award for the best Road roller driver.