There are 18 words that end with 'reat'.
| great | treat |
| hereat | threat |
| entreat | estreat |
| intreat | overeat |
| retreat | thereat |
| whereat | maltreat |
| mistreat | pretreat |
| undereat | overgreat |
| overtreat | counterthreat |
Note: These 18 words that end with 'reat' are found from the USA & Canada version of the tournament Scrabble word list.