There are 13 11-letter words that start with 'impa'.
| impairments | impalements | impanelling |
| imparadised | imparadises | impartation |
| impartially | impartments | impassioned |
| impassively | impassivity | impatiences |
| impatiently | ||
Note: These 13 11-letter words that start with 'impa' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with impas, impar, impal, impac, impai, impan, impat, impaw, impav.
6-letter words start with 'impa' (7)