MERMEN is a playable word

merman Scrabble® Dictionary

noun
pl. mermen
a legendary marine creature
21 Playable Words can be made from "MERMEN"
   2-Letter Words (7 found)
   3-Letter Words (8 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)