There are 18 words that start with 'ecot'.
| ecotage | ecotone |
| ecotour | ecotype |
| ecotages | ecotonal |
| ecotones | ecotours |
| ecotypes | ecotypic |
| ecotourism | ecotourist |
| ecotourisms | ecotourists |
| ecoterrorism | ecoterrorist |
| ecoterrorisms | ecoterrorists |
Note: These 18 words that start with 'ecot' are found from the USA & Canada version of the tournament Scrabble word list.