There are 18 words that start with 'stiff'.
stiff | stiffs | stiffed |
stiffen | stiffer | stiffie |
stiffly | stiffens | stiffest |
stiffies | stiffing | stiffish |
stiffened | stiffener | stiffness |
stiffeners | stiffening | stiffnesses |
Note: These 18 words that start with 'stiff' are found from the USA & Canada version of the tournament Scrabble word list.