There are 15 words that start with 'ugl'.
| ugly | uglier |
| uglies | uglify |
| uglily | ugliest |
| uglified | uglifier |
| uglifies | ugliness |
| uglifiers | uglifying |
| uglinesses | uglification |
| uglifications | |
Note: These 15 words that start with 'ugl' are found from the USA & Canada version of the tournament Scrabble word list.