DIAGRAM is a playable word

diagram Scrabble® Dictionary

verb
diagramed, diagraming, diagrams or diagrammed, diagramming, diagrams
to illustrate by a diagram (a graphic design)
79 Playable Words can be made from "DIAGRAM"
   2-Letter Words (11 found)
   3-Letter Words (29 found)
   5-Letter Words (8 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)