TITTERS is a playable word

titter Scrabble® Dictionary

verb
tittered, tittering, titters
to utter a restrained, nervous laugh
65 Playable Words can be made from "TITTERS"
   2-Letter Words (9 found)
   3-Letter Words (18 found)
   4-Letter Words (19 found)
   5-Letter Words (10 found)
   6-Letter Words (6 found)
   7-Letter Words (3 found)