There are 15 words that start with 'erad'.
| eradiate | eradiated | eradiates |
| eradicant | eradicate | eradiating |
| eradicable | eradicants | eradicated |
| eradicates | eradicator | eradicating |
| eradication | eradicators | eradications |
Note: These 15 words that start with 'erad' are found from the USA & Canada version of the tournament Scrabble word list.