There are 17 words that start with 'prech'.
| precheck | prechill | prechose |
| precharge | prechecks | prechills |
| prechoose | prechosen | precharged |
| precharges | prechecked | prechilled |
| prechooses | precharging | prechecking |
| prechilling | prechoosing | |
Note: These 17 words that start with 'prech' are found from the USA & Canada version of the tournament Scrabble word list.