There are 15 words that end with 'ernal'.
| vernal | eternal | sternal |
| asternal | hibernal | maternal |
| external | infernal | internal |
| paternal | supernal | cisternal |
| coeternal | fraternal | sempiternal |
Note: These 15 words that end with 'ernal' are found from the USA & Canada version of the tournament Scrabble word list.