There are 10 words that start with 'rearr'.
| rearrest | rearrange | 
| rearrests | rearranged | 
| rearranges | rearrested | 
| rearranging | rearresting | 
| rearrangement | rearrangements | 
Note: These 10 words that start with 'rearr' are found from the USA & Canada version of the tournament Scrabble word list.