There are 12 words that start with 'rutt'.
| rutty | rutted | 
| ruttier | ruttily | 
| rutting | ruttish | 
| ruttiest | ruttiness | 
| ruttishly | ruttinesses | 
| ruttishness | ruttishnesses | 
Note: These 12 words that start with 'rutt' are found from the USA & Canada version of the tournament Scrabble word list.