TUNNELER is a playable word

tunneler Scrabble® Dictionary

noun
pl. tunnelers
one that tunnels
84 Playable Words can be made from "TUNNELER"
   2-Letter Words (10 found)
   3-Letter Words (22 found)
   5-Letter Words (11 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)