There are 11 words that start with 'denit'.
| denitrate | denitrify | 
| denitrated | denitrates | 
| denitrating | denitrified | 
| denitrifier | denitrifies | 
| denitrifiers | denitrifying | 
| denitrification | |
Note: These 11 words that start with 'denit' are found from the USA & Canada version of the tournament Scrabble word list.