There are 15 words that start with 'feudal'.
| feudal | feudally |
| feudalism | feudalist |
| feudality | feudalize |
| feudalisms | feudalists |
| feudalized | feudalizes |
| feudalistic | feudalities |
| feudalizing | feudalization |
| feudalizations | |
Note: These 15 words that start with 'feudal' are found from the USA & Canada version of the tournament Scrabble word list.