There are 11 words that start with 'carot'.
| carotid | carotin | carotene | 
| carotids | carotins | carotenes | 
| carotidal | carotenoid | carotinoid | 
| carotenoids | carotinoids | |
Note: These 11 words that start with 'carot' are found from the USA & Canada version of the tournament Scrabble word list.