There are 21 words that start with 'nitri'.
| nitric | nitrid |
| nitril | nitride |
| nitrids | nitrify |
| nitrile | nitrils |
| nitrite | nitrided |
| nitrides | nitriles |
| nitrites | nitriding |
| nitrified | nitrifier |
| nitrifies | nitrifiers |
| nitrifying | nitrification |
| nitrifications | |
Note: These 21 words that start with 'nitri' are found from the USA & Canada version of the tournament Scrabble word list.