There are 20 words that end with 'atas'.
| katas | reatas | riatas |
| balatas | albatas | erratas |
| pinatas | sonatas | stratas |
| cantatas | cassatas | fermatas |
| toccatas | calamatas | caponatas |
| frittatas | kalamatas | serenatas |
| stoccatas | inamoratas | |
Note: These 20 words that end with 'atas' are found from the USA & Canada version of the tournament Scrabble word list.