RAPHE is a playable word

raphe Scrabble® Dictionary

noun
pl. raphes or raphae
a seamlike ridge between two halves of an organ or part
38 Playable Words can be made from "RAPHE"
   2-Letter Words (10 found)
   3-Letter Words (16 found)
   4-Letter Words (11 found)
   5-Letter Words (1 found)