PHOSPHOR is a playable word

phosphor Scrabble® Dictionary

noun
pl. phosphors
a substance that will emit light when exposed to radiation
55 Playable Words can be made from "PHOSPHOR"
   2-Letter Words (8 found)
   3-Letter Words (19 found)
   4-Letter Words (19 found)
   5-Letter Words (8 found)
   8-Letter Words (1 found)