What’s the difference between rain, rein and reign?

Rain is that watery stuff that falls out of the sky and makes Californians bad drivers.

Rein is the thin strip of leather used to lead an animal. You would also use this spelling when you use phrases such as “rein it in” or “free rein,” because their meanings are rooted in regard to animals. Rein the horse in (control it) or give the horse free rein (freedom).

Reign means to hold a seat of power within a monarchy. The king reigned for 40 years, and he had a reign of terror. If he had a rain or rein of terror, that would be an entirely different Grammar Chicken drawing…