There are 12 words that start with 'reinvi'.
| reinvite | reinvited | 
| reinvites | reinviting | 
| reinvigorate | reinvigorated | 
| reinvigorates | reinvigorator | 
| reinvigorating | reinvigoration | 
| reinvigorators | reinvigorations | 
Note: These 12 words that start with 'reinvi' are found from the USA & Canada version of the tournament Scrabble word list.