There are 11 words that start with 'repair'.
| repair | repairs | 
| repaired | repairer | 
| repairers | repairing | 
| repairman | repairmen | 
| repairable | repairability | 
| repairabilities | |
Note: These 11 words that start with 'repair' are found from the USA & Canada version of the tournament Scrabble word list.