MATZO is a playable word

matzo Scrabble® Dictionary

noun
pl. matzos or matzot or matzoth
an unleavened bread
21 Playable Words can be made from "MATZO"
   2-Letter Words (8 found)
   3-Letter Words (10 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)