SIMMER is a playable word

simmer Scrabble® Dictionary

verb
simmered, simmering, simmers
to cook below or just at the boiling point
48 Playable Words can be made from "SIMMER"
   2-Letter Words (9 found)
   3-Letter Words (17 found)
   4-Letter Words (14 found)
   5-Letter Words (6 found)
   6-Letter Words (2 found)