- G... to Gamstorp...
- Gandy... to Gastralgia...
- Gastrectasis... to Gastroliths...
- Gastromalacia... to General...
- Genetic... to Ghoul...
- Gianotti... to Gland...
- Glanders... to Glomerular...
- Glomerulitis... to Glycinemia...
- Glycinuria... to Goniosynechiae...
- Gonococcemia... to Graham...
- Grain... to Greenfield...
- Greenstick... to Guertin...
- Guertin... to Gyrate...