There are 5 11-letter words that end with 'sy'.
| antileprosy | discourtesy | controversy |
| lithotripsy | nympholepsy | |
Note: These 5 11-letter words that end with 'sy' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ssy, asy, psy, osy, tsy, esy, usy, nsy, isy, rsy, wsy, dsy, msy, lsy, ksy, bsy.
4-letter words end with 'sy' (6)