General terms:
* Pitter-patter: This is a common onomatopoeic word that describes the soft, gentle sound of light rain.
* Drizzle: This word describes the sound of very light rain, almost like a mist.
* Drumming: This word describes the sound of heavier rain hitting surfaces like a drum.
* Rushing: This word describes the sound of heavy rain, especially during a downpour.
* Crashing: This word describes the sound of very heavy rain, like a storm.
More poetic terms:
* Whispering: This word describes the soft, gentle sound of rain falling on leaves.
* Rustling: This word describes the sound of rain falling on leaves or grass.
* Tinkling: This word describes the sound of raindrops hitting a window pane.
* Gurgling: This word describes the sound of rain flowing in a gutter or stream.
* Soothing: This word describes the overall calming effect of the sound of rain.
The best word to use will depend on the specific sound you want to convey.