There are 18 9-letter words that end with 'omy'.
| astronomy | colectomy | colostomy |
| cystotomy | dichotomy | ileostomy |
| microtomy | leukotomy | lipectomy |
| lithotomy | lobectomy | necrotomy |
| neurotomy | osteotomy | rhizotomy |
| taphonomy | teleonomy | vasectomy |
Note: These 18 9-letter words that end with 'omy' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with tomy, nomy, oomy, somy, romy, domy, homy.
4-letter words end with 'omy' (1)