EIGHTEEN is a playable word

eighteen Scrabble® Dictionary

noun
pl. eighteens
a number
69 Playable Words can be made from "EIGHTEEN"
   2-Letter Words (11 found)
   3-Letter Words (25 found)
   4-Letter Words (16 found)
   5-Letter Words (13 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)