ENSERFS is a playable word

enserf Scrabble® Dictionary

verb
enserfed, enserfing, enserfs
to make a serf of
64 Playable Words can be made from "ENSERFS"
   2-Letter Words (7 found)
   3-Letter Words (17 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)