There are 12 words that start with 'prehe'.
| preheat | preheats |
| preheated | preheater |
| preheaters | preheating |
| prehensile | prehension |
| preheadache | prehensions |
| prehensility | prehensilities |
Note: These 12 words that start with 'prehe' are found from the USA & Canada version of the tournament Scrabble word list.