There are 23 9-letter words that start with 'lat'.
Note: These 23 9-letter words that start with 'lat' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with late, lati, lath, latt, latc, latr, lato, lata, latk, lats, latu.
4-letter words start with 'lat' (5)