There are 17 9-letter words that start with 'impo'.
| impolitic | important | importers |
| importing | importune | imposable |
| imposters | imposting | impostors |
| impostume | imposture | impotence |
| impotency | impotents | impounded |
| impounder | impowered | |
Note: These 17 9-letter words that start with 'impo' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with impos, impor, impol, impon, impou, impov, impot, impow.
6-letter words start with 'impo' (4)