There are 11 words that start with 'hepato'.
| hepatoma | hepatomas | 
| hepatocyte | hepatomata | 
| hepatocytes | hepatotoxic | 
| hepatomegaly | hepatocellular | 
| hepatomegalies | hepatopancreas | 
| hepatotoxicity | |
Note: These 11 words that start with 'hepato' are found from the USA & Canada version of the tournament Scrabble word list.