There are 6 14-letter words that start with 'peri'.
| pericarditises | perilousnesses |
| periodizations | periodontology |
| perissodactyls | peritrichously |
Note: These 6 14-letter words that start with 'peri' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with perio, perip, peris, peric, perit, peril, perid, perig, perim, perin, peria, periw, perih, perik, perib, periq.
5-letter words start with 'peri' (2)