There are 9 5-letter words that start with 'sou'.
| sough | souks | souls | sound | soups |
| soupy | sours | souse | south | |
Note: These 9 5-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)