There are 13 words that start with 'unfai'.
| unfair | unfaith |
| unfairer | unfairly |
| unfaiths | unfailing |
| unfairest | unfairness |
| unfaithful | unfailingly |
| unfairnesses | unfaithfully |
| unfaithfulness | |
Note: These 13 words that start with 'unfai' are found from the USA & Canada version of the tournament Scrabble word list.