There are 13 words that start with 'estim'.
| estimate | estimable |
| estimably | estimated |
| estimates | estimator |
| estimating | estimation |
| estimative | estimators |
| estimations | estimableness |
| estimablenesses | |
Note: These 13 words that start with 'estim' are found from the USA & Canada version of the tournament Scrabble word list.