BUFFER is a playable word

buffer Scrabble® Dictionary

verb
buffered, buffering, buffers
to cushion
22 Playable Words can be made from "BUFFER"
   2-Letter Words (5 found)
   3-Letter Words (11 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)