There are 14 words that start with 'gross'.
| gross | grossed |
| grosser | grosses |
| grossly | grossers |
| grossest | grossing |
| grossness | grossular |
| grossulars | grossnesses |
| grossularite | grossularites |
Note: These 14 words that start with 'gross' are found from the USA & Canada version of the tournament Scrabble word list.