There are 11 words that start with 'perid'.
| peridia | peridot | periderm |
| peridial | peridium | peridots |
| periderms | peridotic | peridotite |
| peridotites | peridotitic | |
Note: These 11 words that start with 'perid' are found from the USA & Canada version of the tournament Scrabble word list.