SERENE is a playable word

serene Scrabble® Dictionary

adjective
serener, serenest
calm; tranquil
(adverb) serenely
noun
pl. serenes
a serene condition or expanse
28 Playable Words can be made from "SERENE"
   2-Letter Words (5 found)
   3-Letter Words (10 found)
   4-Letter Words (8 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)