There are 13 words that start with 'mesot'.
| mesotron | mesotrons |
| mesothelia | mesothorax |
| mesothelial | mesothelium |
| mesotrophic | mesothelioma |
| mesothoraces | mesothoracic |
| mesothoraxes | mesotheliomas |
| mesotheliomata | |
Note: These 13 words that start with 'mesot' are found from the USA & Canada version of the tournament Scrabble word list.