4-letter words containing s, a, o
- sosa — Samuel ("Sammy") born 1968, U.S. baseball player, born in the Dominican Republic.
- soya — Soya flour, butter, or other food is made from soya beans.
- stoa — Greek Architecture. a portico, usually a detached portico of considerable length, that is used as a promenade or meeting place.
- taos — a Tanoan language spoken in two villages in New Mexico.
- tosa — a large dog, usually red in colour, which is a cross between a mastiff and a Great Dane: originally developed for dog-fighting; it is not recognized as a breed by kennel clubs outside Japan
- wsoa — Washington State Orienteering Association