MAMMOTH is a playable word

mammoth Scrabble® Dictionary

noun
pl. mammoths
an extinct elephant
42 Playable Words can be made from "MAMMOTH"
   2-Letter Words (13 found)
   3-Letter Words (20 found)
   4-Letter Words (7 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)