There are 4 13-letter words that start with 'gre'.
| greenbackisms | greenlighting |
| greensickness | greenskeepers |
Note: These 4 13-letter words that start with 'gre' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with gree, grea, grey, grec, greg, grem, gren, grei, grew, greb.
4-letter words start with 'gre' (3)