There are 14 11-letter words that start with 'impo'.
| impolitical | impoliticly | importances |
| importantly | importation | importunate |
| importunely | importuners | importuning |
| importunity | impositions | imposthumes |
| impotencies | impoundment | |
Note: These 14 11-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)