- 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 Sterility...
- Sterilization... to Stilling...
- Stimulation... to Strands...
- Strangulation... to Stridor...
- Stridulous... to Sturge...
- Sturge... to Submaxillary...
- Submersion... to Sudeck...
- SUDS... to Supraeruption...
- Supraglottitis... to Sweeley...
- Sweet... to Symptoms...
- Sympus... to Syphilis...
- Synorchidism... to System...