There are 8 14-letter words that start with 'unp'.
| unpalatability | unpleasantness |
| unpopularities | unpredictables |
| unpremeditated | unpreparedness |
| unprofessional | unprogrammable |
Note: These 8 14-letter words that start with 'unp' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with unpr, unpa, unpe, unpl, unpu, unpi, unpo.
5-letter words start with 'unp' (3)