There are 11 words that start with 'mero'.
| meropia | meropic | 
| meropias | merocrine | 
| merozoite | meromyosin | 
| merozoites | meroblastic | 
| meromorphic | meromyosins | 
| meroblastically | |
Note: These 11 words that start with 'mero' are found from the USA & Canada version of the tournament Scrabble word list.