There are 11 words that start with 'antiv'.
| antivenin | antivenom |
| antiviral | antivirus |
| antivenins | antivenoms |
| antiviruses | antivitamin |
| antiviolence | antivitamins |
| antivivisection | |
Note: These 11 words that start with 'antiv' are found from the USA & Canada version of the tournament Scrabble word list.