There are 14 words that start with 'appel'.
| appel | appels |
| appellee | appellor |
| appellant | appellate |
| appellees | appellors |
| appellants | appellation |
| appellative | appellations |
| appellatives | appellatively |
Note: These 14 words that start with 'appel' are found from the USA & Canada version of the tournament Scrabble word list.