There are 2 15-letter words that start with 'dig'.
| digestibilities | digitalizations | 
Note: These 2 15-letter words that start with 'dig' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with digi, dige, digr, diga, dign, digl, digg, digh, digo, digs.
4-letter words start with 'dig' (1)