There are 10 words that start with 'carniv'.
| carnival | carnivals | 
| carnivora | carnivore | 
| carnivory | carnivores | 
| carnivories | carnivorous | 
| carnivorously | carnivorousness | 
Note: These 10 words that start with 'carniv' are found from the USA & Canada version of the tournament Scrabble word list.