NEREIS is a playable word

nereis Scrabble® Dictionary

noun
pl. nereides
a marine worm
55 Playable Words can be made from "NEREIS"
   2-Letter Words (8 found)
   3-Letter Words (18 found)
   4-Letter Words (15 found)
   5-Letter Words (10 found)
   6-Letter Words (4 found)