SERES is a playable word

sere Scrabble® Dictionary

adjective
serer, serest
withered; dry
verb
sered, sering, seres
to sear
noun
seres
a natural series of plant or animal communities
21 Playable Words can be made from "SERES"
   2-Letter Words (3 found)
   3-Letter Words (7 found)
   4-Letter Words (7 found)
   5-Letter Words (4 found)