There are 19 8-letter words that start with 'arr'.
| arraigns | arranged | arranger | arranges |
| arrantly | arrayals | arrayers | arraying |
| arrested | arrestee | arrester | arrestor |
| arrhizal | arrivals | arrivers | arriving |
| arrogant | arrogate | arrowing | |
Note: These 19 8-letter words that start with 'arr' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with arro, arra, arre, arri, arrh.
5-letter words start with 'arr' (4)