There are 11 words that start with 'oppre'.
| oppress | oppressed | 
| oppresses | oppressor | 
| oppressing | oppression | 
| oppressive | oppressors | 
| oppressions | oppressively | 
| oppressiveness | |
Note: These 11 words that start with 'oppre' are found from the USA & Canada version of the tournament Scrabble word list.