There are 9 words that start with 'annih'.
| annihilate | annihilated |
| annihilates | annihilator |
| annihilating | annihilation |
| annihilators | annihilatory |
| annihilations | |
Note: These 9 words that start with 'annih' are found from the USA & Canada version of the tournament Scrabble word list.