There are 13 words that end with 'appier'.
| happier | nappier | gappier |
| sappier | pappier | zappier |
| crappier | flappier | snappier |
| scrappier | strappier | unhappier |
| slaphappier | ||
Note: These 13 words that end with 'appier' are found from the USA & Canada version of the tournament Scrabble word list.