There are 15 words that start with 'kas'.
| kas | kasha | kasbah |
| kashas | kasher | kasbahs |
| kashers | kashmir | kashrut |
| kashered | kashmirs | kashruth |
| kashruts | kashering | kashruths |
Note: These 15 words that start with 'kas' are found from the USA & Canada version of the tournament Scrabble word list.