There are 16 words that start with 'usur'.
| usurp | usury |
| usurer | usurps |
| usurers | usuries |
| usurped | usurper |
| usurious | usurpers |
| usurping | usuriously |
| usurpation | usurpations |
| usuriousness | usuriousnesses |
Note: These 16 words that start with 'usur' are found from the USA & Canada version of the tournament Scrabble word list.