OUTSPEEDING is a playable word

outspeed Scrabble® Dictionary

verb
outsped or outspeeded, outspeeding, outspeeds
to go faster than
958 Playable Words can be made from "OUTSPEEDING"
   2-Letter Words (33 found)
   3-Letter Words (134 found)
   9-Letter Words (4 found)
   11-Letter Words (1 found)