There are 10 words that start with 'unimp'.
| unimpeded | unimpaired |
| unimposing | unimproved |
| unimportant | unimpressed |
| unimpressive | unimpassioned |
| unimpeachable | unimpeachably |
Note: These 10 words that start with 'unimp' are found from the USA & Canada version of the tournament Scrabble word list.