rain (water drops that fall from clouds in the sky): I waited for the rain to stop.
shower (a short period of rain, snow, etc.): I was caught in a heavy shower.
downpour (a short period of heavy rain): The river overflowed because of the downpour.
rainstorm (a storm with a lot of rainfall): Her car collided with another vehicle during a rainstorm.
cloudburst (a sudden, intense rainstorm): The cloudburst caused the flood.
drizzle (light rain in very small drops): A gentle drizzle is falling.
sleet (partly frozen rain, wet falling snow): The rain is changing to sleet.
hail (frozen rain that falls as hard balls of ice): Let’s head home before the hail begins.
This is very important group to people