RAINS is a playable word

rain Scrabble® Dictionary

verb
rained, raining, rains
to fall like rain (drops of water condensed from clouds)
39 Playable Words can be made from "RAINS"
   2-Letter Words (8 found)
   3-Letter Words (15 found)
   4-Letter Words (11 found)
   5-Letter Words (5 found)