There are 7 11-letter words that end with 'ater'.
| bibliolater | groundwater | houseboater |
| motorboater | intercrater | springwater |
| superheater | ||
Note: These 7 11-letter words that end with 'ater' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with eater, water, rater, later, oater, tater, bater, cater, dater, gater, mater, kater, pater, hater, vater.
5-letter words end with 'ater' (12)