There are 9 13-letter words that start with 'defe'.
| defeasibility | defectiveness |
| defenestrated | defenestrates |
| defenselessly | defensibility |
| defensiveness | deferentially |
| defervescence | |
Note: These 9 13-letter words that start with 'defe' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with defen, defec, defer, defea, defem.
5-letter words start with 'defe' (1)