- L... to Lacunar...
- Laennec... to Large...
- Larsen... to Late...
- Latent... to Leaky...
- Learning... to Leloir...
- Lemiere... to Leptomeningopathy...
- Leptospiral... to Leukemia...
- Leukemoid... to Leukonychia...
- Leukopathia... to Li...
- Liar... to Limit...
- Limitation... to Lipodystrophia...
- Lipodystrophy... to Lipuria...
- Liquefaction... to Livida...
- Living... to Loiasis...
- Lone... to Lown...
- LSD... to Lutz...
- Lutz... to Lymphatic...
- Lymphocytic... to Lyssa...