FIBERED is a playable word

fiber Scrabble® Dictionary

noun
pl. fibers
a thread or threadlike object or structure
(adjective) fibered
84 Playable Words can be made from "FIBERED"
   2-Letter Words (10 found)
   3-Letter Words (26 found)
   6-Letter Words (2 found)
   7-Letter Words (3 found)