ECOTONES is a playable word

ecotone Scrabble® Dictionary

noun
pl. ecotones
a type of ecological zone
(adjective) ecotonal
127 Playable Words can be made from "ECOTONES"
   2-Letter Words (11 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)