NEREID is a playable word

nereid Scrabble® Dictionary

noun
pl. nereids
a sea nymph
48 Playable Words can be made from "NEREID"
   2-Letter Words (8 found)
   3-Letter Words (14 found)
   4-Letter Words (19 found)
   5-Letter Words (4 found)
   6-Letter Words (3 found)