There are 28 10-letter words that start with 'cho'.
Note: These 28 10-letter words that start with 'cho' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with chor, chol, chop, chok, chow, choi, chon, choc, choo, chou, chom, choa, chos, chot.
4-letter words start with 'cho' (3)