ECHOGRAMS is a playable word

echogram Scrabble® Dictionary

noun
pl. echograms
a record produced by a device that uses ultrasonic waves
503 Playable Words can be made from "ECHOGRAMS"
   2-Letter Words (26 found)
   3-Letter Words (94 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)