There are 20 words that start with 'impi'.
| impi | impis | imping |
| impish | impiety | impinge |
| impings | impious | impinged |
| impinger | impinges | impishly |
| impieties | impingers | impinging |
| impiously | impishness | impingement |
| impingements | impishnesses | |
Note: These 20 words that start with 'impi' are found from the USA & Canada version of the tournament Scrabble word list.