There are 17 words that start with 'outfl'.
| outfly | outflew | outflow |
| outflank | outflies | outfloat |
| outflown | outflows | outflanks |
| outfloats | outflowed | outflying |
| outflanked | outfloated | outflowing |
| outflanking | outfloating | |
Note: These 17 words that start with 'outfl' are found from the USA & Canada version of the tournament Scrabble word list.