There are 10 12-letter words that start with 'outs'.
| outscreaming | outsiderness | outsourcings |
| outsparkling | outspreading | outspringing |
| outsprinting | outstretched | outstretches |
| outstripping | ||
Note: These 10 12-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)