There are 3 13-letter words that end with 'ssed'.
| overimpressed | overprocessed | 
| unembarrassed | |
Note: These 3 13-letter words that end with 'ssed' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with essed, assed, ussed, ossed, issed.
6-letter words end with 'ssed' (24)