ECOTONE is a playable word

ecotone Scrabble® Dictionary

noun
pl. ecotones
a type of ecological zone
(adjective) ecotonal
47 Playable Words can be made from "ECOTONE"
   2-Letter Words (8 found)
   3-Letter Words (19 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)