There are 17 words that start with 'repea'.
| repeal | repeat | 
| repeals | repeats | 
| repealed | repealer | 
| repeated | repeater | 
| repealers | repealing | 
| repeaters | repeating | 
| repealable | repeatable | 
| repeatedly | repeatability | 
| repeatabilities | |
Note: These 17 words that start with 'repea' are found from the USA & Canada version of the tournament Scrabble word list.