There are 16 6-letter words that start with 'sou'.
| souari | soucar | soudan | soughs | sought |
| souled | sounds | souped | source | soured |
| sourer | sourly | soused | souses | souter |
| souths | ||||
Note: These 16 6-letter words that start with 'sou' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with sout, sour, soun, soul, soup, sous, soub, souv, soug, souc, souf, souk, soua, soud.
4-letter words start with 'sou' (5)