There are 15 words that start with 'ail'.
| ail | ails | ailed |
| ailing | aileron | ailment |
| ailerons | ailments | ailanthic |
| ailanthus | ailanthuses | ailurophile |
| ailurophobe | ailurophiles | ailurophobes |
Note: These 15 words that start with 'ail' are found from the USA & Canada version of the tournament Scrabble word list.