DIAGRAPH is a playable word

diagraph Scrabble® Dictionary

noun
pl. diagraphs
a drawing device
89 Playable Words can be made from "DIAGRAPH"
   2-Letter Words (13 found)
   5-Letter Words (8 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)