There are 11 words that start with 'reper'.
| reperk | reperks | 
| reperked | reperking | 
| repertory | repertoire | 
| repertoires | repertories | 
| repercussion | repercussive | 
| repercussions | |
Note: These 11 words that start with 'reper' are found from the USA & Canada version of the tournament Scrabble word list.