There are 18 words that start with 'carni'.
| carnie | carnies | 
| carnify | carnival | 
| carnified | carnifies | 
| carnitine | carnivals | 
| carnivora | carnivore | 
| carnivory | carnifying | 
| carnitines | carnivores | 
| carnivories | carnivorous | 
| carnivorously | carnivorousness | 
Note: These 18 words that start with 'carni' are found from the USA & Canada version of the tournament Scrabble word list.