There are 32 9-letter words that start with 'den'.
Note: These 32 9-letter words that start with 'den' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with dent, deni, deno, dena, denu, dens, dend, dene, deny, deng, denn.
4-letter words start with 'den' (5)