There are 16 words that start with 'overgr'.
| overgrew | overgrow | overgrade |
| overgraze | overgreat | overgrown |
| overgrows | overgraded | overgrades |
| overgrazed | overgrazes | overgrowth |
| overgrading | overgrazing | overgrowing |
| overgrowths | ||
Note: These 16 words that start with 'overgr' are found from the USA & Canada version of the tournament Scrabble word list.