There are 9 13-letter words that end with 'my'.
| adrenalectomy | chemotaxonomy |
| mastoidectomy | pneumonectomy |
| postvasectomy | prostatectomy |
| sympathectomy | thyroidectomy |
| tonsillectomy | |
Note: These 9 13-letter words that end with 'my' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with omy, amy, mmy, rmy, ymy, emy, imy, lmy, umy, gmy, hmy, smy.
4-letter words end with 'my' (10)