There are 12 words that start with 'slouc'.
| slouch | slouchy |
| slouched | sloucher |
| slouches | slouchers |
| slouchier | slouchily |
| slouching | slouchiest |
| slouchiness | slouchinesses |
Note: These 12 words that start with 'slouc' are found from the USA & Canada version of the tournament Scrabble word list.