There are 16 words that start with 'fust'.
| fusty | fustic | fustian |
| fustics | fustier | fustily |
| fustians | fustiest | fustigate |
| fustiness | fustigated | fustigates |
| fustigating | fustigation | fustinesses |
| fustigations | ||
Note: These 16 words that start with 'fust' are found from the USA & Canada version of the tournament Scrabble word list.