There are 3 13-letter words that start with 'outs'.
| outspokenness | outstandingly |
| outstretching | |
Note: These 3 13-letter words that start with 'outs' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with outst, outsp, outsc, outsi, outsw, outsh, outsm, outsa, outse, outso, outsl, outsk, outsu, outsn.
6-letter words start with 'outs' (7)