ECTASES is a playable word

ectasis Scrabble® Dictionary

noun
pl. ectases
the lengthening of a usually short syllable
(adjective) ectatic
88 Playable Words can be made from "ECTASES"
   2-Letter Words (7 found)
   3-Letter Words (24 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)