COATTAIL is a playable word

coattail Scrabble® Dictionary

noun
pl. coattails
the back lower portion of a coat
83 Playable Words can be made from "COATTAIL"
   2-Letter Words (12 found)
   3-Letter Words (23 found)
   5-Letter Words (10 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)
   8-Letter Words (2 found)