HELICES is a playable word

helix Scrabble® Dictionary

noun
pl. helixes or helices
something spiral in form
71 Playable Words can be made from "HELICES"
   2-Letter Words (9 found)
   3-Letter Words (22 found)
   5-Letter Words (9 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)