There are 17 10-letter words that end with 'ater'.
| bardolater | bilgewater | blackwater |
| breakwater | desecrater | dissipater |
| downstater | drumbeater | honeyeater |
| maltreater | freshwater | floodwater |
| sailboater | shearwater | pretheater |
| underwater | wastewater | |
Note: These 17 10-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)