There are 19 words that start with 'outsw'.
| outswam | outswim | outswum |
| outsware | outswear | outsweep |
| outswept | outswims | outswing |
| outswore | outsworn | outswung |
| outswears | outsweeps | outswings |
| outswearing | outsweeping | outswimming |
| outswinging | ||
Note: These 19 words that start with 'outsw' are found from the USA & Canada version of the tournament Scrabble word list.