There are 15 words that start with 'great'.
| great | greats |
| greaten | greater |
| greatly | greatens |
| greatest | greatcoat |
| greatened | greatness |
| greatcoats | greatening |
| greatnesses | greathearted |
| greatheartedly | |
Note: These 15 words that start with 'great' are found from the USA & Canada version of the tournament Scrabble word list.