RAPIDER is a playable word

rapid Scrabble® Dictionary

adjective
rapider, rapidest
fast-moving
(adverb) rapidly
noun
pl. rapids
a fast-moving part of a river
109 Playable Words can be made from "RAPIDER"
   2-Letter Words (13 found)
   3-Letter Words (28 found)
   6-Letter Words (10 found)
   7-Letter Words (2 found)