There are 15 words that start with 'contu'.
| contuse | contused | 
| contuses | contumacy | 
| contumely | contusing | 
| contusion | contusive | 
| contusions | contumacies | 
| contumelies | contumacious | 
| contumelious | contumaciously | 
| contumeliously | |
Note: These 15 words that start with 'contu' are found from the USA & Canada version of the tournament Scrabble word list.