There are 13 words that end with 'atts'.
| batts | matts |
| watts | scatts |
| abwatts | megawatts |
| nanowatts | gigawatts |
| kilowatts | terawatts |
| microwatts | milliwatts |
| multimegawatts | |
Note: These 13 words that end with 'atts' are found from the USA & Canada version of the tournament Scrabble word list.