There are 16 words that start with 'leis'.
| leis | leister |
| leisure | leisters |
| leisured | leisures |
| leistered | leisurely |
| leishmania | leistering |
| leishmanial | leishmanias |
| leishmaniases | leishmaniasis |
| leisureliness | leisurelinesses |
Note: These 16 words that start with 'leis' are found from the USA & Canada version of the tournament Scrabble word list.