There are 15 words that start with 'perma'.
| permalloy | permanent |
| permafrost | permalloys |
| permanence | permanency |
| permanents | permafrosts |
| permanences | permanently |
| permanencies | permanganate |
| permanentness | permanganates |
| permanentnesses | |
Note: These 15 words that start with 'perma' are found from the USA & Canada version of the tournament Scrabble word list.