There are 5 10-letter words that end with 'sness'.
| famousness | joyousness | odiousness |
| porousness | remissness | |
Note: These 5 10-letter words that end with 'sness' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with usness, ssness, asness.
8-letter words end with 'sness' (2)