There are 15 words that start with 'overfl'.
| overfly | overflew | overflow |
| overflies | overflood | overflown |
| overflows | overflight | overfloods |
| overflowed | overflying | overflights |
| overflooded | overflowing | overflooding |
Note: These 15 words that start with 'overfl' are found from the USA & Canada version of the tournament Scrabble word list.