There are 17 words that start with 'crene'.
| crenel | crenels | 
| creneled | crenelle | 
| crenelate | creneling | 
| crenelled | crenelles | 
| crenelated | crenelates | 
| crenelling | crenelating | 
| crenelation | crenellated | 
| crenelations | crenellation | 
| crenellations | |
Note: These 17 words that start with 'crene' are found from the USA & Canada version of the tournament Scrabble word list.