There are 19 words that start with 'unj'.
| unjam | unjams |
| unjust | unjaded |
| unjoint | unjammed |
| unjoined | unjoints |
| unjoyful | unjudged |
| unjustly | unjamming |
| unjointed | unjointing |
| unjustness | unjustified |
| unjustnesses | unjustifiable |
| unjustifiably | |
Note: These 19 words that start with 'unj' are found from the USA & Canada version of the tournament Scrabble word list.