TEETHER is a playable word

teether Scrabble® Dictionary

noun
pl. teethers
an object for a baby to bite on during teething
30 Playable Words can be made from "TEETHER"
   2-Letter Words (6 found)
   3-Letter Words (9 found)
   4-Letter Words (6 found)
   5-Letter Words (4 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)