COLTER is a playable word

colter Scrabble® Dictionary

noun
pl. colters
a blade on a plow
50 Playable Words can be made from "COLTER"
   2-Letter Words (9 found)
   3-Letter Words (20 found)
   4-Letter Words (16 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)