MEZZOS is a playable word

mezzo Scrabble® Dictionary

noun
pl. mezzos
a female voice of a full, deep quality
19 Playable Words can be made from "MEZZOS"
   2-Letter Words (8 found)
   3-Letter Words (7 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)