There are 33 9-letter words that start with 'et'.
Note: These 33 9-letter words that start with 'et' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with eth, ete, ety, eta, eti, etc, eto, etu, etn, etw.
3-letter words start with 'et' (2)