ECTOSARCS is a playable word

ectosarc Scrabble® Dictionary

noun
pl. ectosarcs
the outermost layer of protoplasm of certain protozoans
382 Playable Words can be made from "ECTOSARCS"
   2-Letter Words (15 found)
   8-Letter Words (4 found)
   9-Letter Words (1 found)