There are 13 10-letter words that end with 'ctor'.
| benefactor | abstractor | bioreactor |
| codirector | contractor | malefactor |
| instructor | nonreactor | obstructor |
| prospector | protractor | transactor |
| vivisector | ||
Note: These 13 10-letter words that end with 'ctor' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ector, actor, uctor, ictor, octor, nctor.
5-letter words end with 'ctor' (1)