UNDERRAN is a playable word

underrun Scrabble® Dictionary

verb
underran, underrunning, underruns
to pass or extend under
83 Playable Words can be made from "UNDERRAN"
   2-Letter Words (14 found)
   3-Letter Words (23 found)
   5-Letter Words (12 found)
   6-Letter Words (6 found)
   8-Letter Words (1 found)