Mammoth Uncensored Word List:
129 - 5 letter words starting with so

soaks soaps soapy soare soars soave sobas sober sobor socas socko socks socle sodas soddy sodic sodom sofar sofas softa softs softy soger soggy soils soily sojas sokah soken sokes sokol solah solan solar solas solde soldi soldo solds soled solei soler soles solid solon solos solum solus solve soman somas sonar sonce sonde sones songs sonic sonly sonne sonny sonse sonsy sooey sooks soole sools sooms soops soote sooth soots sooty sophs sopor soppy sopra soral soras sorbo sorbs sorda sordo sords sored soree sorel sorer sores sorex sorgo sorns sorra sorry sorta sorts sorus soths sotol souce souct sough souks souls soums sound soups soupy sours souse south souts sowar sowce sowed sower sowff sowfs sowle sowls sowms sownd sowne sowps sowse sowth soyas soyle soyuz sozin