There are 11 words that start with 'anni'.
| annihilate | annihilated |
| annihilates | annihilator |
| anniversary | annihilating |
| annihilation | annihilators |
| annihilatory | annihilations |
| anniversaries | |
Note: These 11 words that start with 'anni' are found from the USA & Canada version of the tournament Scrabble word list.