There are 11 12-letter words that end with 'ttes'.
| aiguillettes | marquisettes | launderettes |
| leatherettes | flannelettes | kitchenettes |
| sansculottes | spinnerettes | stockinettes |
| suffragettes | vinaigrettes | |
Note: These 11 12-letter words that end with 'ttes' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ettes, ottes, attes, uttes, yttes.
6-letter words end with 'ttes' (7)