Rain, Rein, Reign!
Rain is drops of fresh water that fall as precipitation from clouds.
Rein is one of a pair of long leather straps connected to the bit or bridle and used to control a horse or other animal.
Reign is a period during which somebody is dominant or powerful.
Write a story that includes one or more of today's word.
A king might hold the reins of his horse as he reigns over his subjects but they don't get wet unless it's raining.