There are 14 words that start with 'unbel'.
| unbelt | unbelts |
| unbelief | unbelted |
| unbeliefs | unbeloved |
| unbelting | unbeliever |
| unbelievers | unbelieving |
| unbelievable | unbelievably |
| unbelievingly | unbelligerent |
Note: These 14 words that start with 'unbel' are found from the USA & Canada version of the tournament Scrabble word list.