There are 21 words that start with 'defu'.
defuel | defund | defuse |
defuze | defuels | defunct |
defunds | defused | defuser |
defuses | defuzed | defuzes |
defueled | defunded | defusers |
defusing | defuzing | defueling |
defuelled | defunding | defuelling |
Note: These 21 words that start with 'defu' are found from the USA & Canada version of the tournament Scrabble word list.