There are 23 words that start with 'jell'.
| jell | jello | jells | 
| jelly | jelled | jellos | 
| jellaba | jellied | jellies | 
| jellify | jelling | jellabas | 
| jellying | jellified | jellifies | 
| jellybean | jellyfish | jellylike | 
| jellyroll | jellifying | jellybeans | 
| jellyrolls | jellyfishes | |
Note: These 23 words that start with 'jell' are found from the USA & Canada version of the tournament Scrabble word list.