There are 11 words that start with 'mummi'.
| mummied | mummies |
| mummify | mumming |
| mummichog | mummified |
| mummifies | mummichogs |
| mummifying | mummification |
| mummifications | |
Note: These 11 words that start with 'mummi' are found from the USA & Canada version of the tournament Scrabble word list.