LEMMATA is a playable word

lemma Scrabble® Dictionary

noun
pl. lemmas or lemmata
a type of proposition in logic
68 Playable Words can be made from "LEMMATA"
   2-Letter Words (14 found)
   3-Letter Words (23 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)