SURFS is a playable word

surf Scrabble® Dictionary

verb
surfed, surfing, surfs
to ride breaking waves on a long, narrow board
(adjective) surfable
7 Playable Words can be made from "SURFS"
   2-Letter Words (1 found)
   3-Letter Words (2 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)