- Saber... to Salicylism...
- Salivary... to Sao...
- Saponification... to Scabies...
- Scabs... to Scheuermann...
- Scheuthauer... to Schmitz...
- Schmorl... to Sciatic...
- Sciatica... to Sclerotitis...
- Scoliosis... to Sebaceous...
- Sebocystomatosis... to Senescence...
- Senile... to Serositis...
- Serotonin... to Shedding...
- Sheehan... to Shunt...
- Shutdown... to Sicklemia...
- Sickness... to Singers...
- Single... to Skene...
- Skenitis... to Smith...
- Smith... to Soldier...
- Solitary... to Spasmophilia...
- Spasmus... to Spherophakia...
- Sphincter... to Splanchnoptosis...
- Spleen... to Spondylosis...
- Sponge... to Squeeze...
- Squint... to Status...
- Stave... to Stereotypies...
- Sterility... to Stiller...
- Stilling... to Strain...
- Strands... to Stricture...
- Stridor... to Stupor...
- Sturge... to Subluxation...
- Submaxillary... to Sudden...
- Sudeck... to Suppuration...
- Supraeruption... to Sweat...
- Sweeley... to Symphalangy...
- Symptoms... to Syphilide...
- Synorchidism... to System...