TRIGRAM is a playable word

trigram Scrabble® Dictionary

noun
pl. trigrams
a cluster of three successive letters

57 Playable Words can be made from "TRIGRAM"

   2-Letter Words (11 found)

   3-Letter Words (26 found)

   4-Letter Words (17 found)

   5-Letter Words (2 found)

   7-Letter Words (1 found)