There are 12 words that end with 'ssant'.
| jessant | pissant | 
| passant | puissant | 
| croissant | incessant | 
| depressant | discussant | 
| impuissant | suppressant | 
| introgressant | antidepressant | 
Note: These 12 words that end with 'ssant' are found from the USA & Canada version of the tournament Scrabble word list.