| Achlorhydrie | achlorhydria |
| Chlorsäure | chloric acid |
| Chlamydie | chlamydia |
| Acetanhydrid | acetic anhydride |
| Schlachterin | slaughterer |
| Schlächterin | slaughterer |
| Acheirie | acheiria |
| Achillodynie | achillodynia |
| Acholie | acholia |
| Achromasie | achromia achromatopsia achromatism achromatopia achromaticity |
| Achromie | achromia |
| Achtjährige | eight-year-old |
| Achylie | achylia |
| achtjährig | eight-year-old eight-year |
| Chlamydien | chlamydia |
| Chlorargyrit | chlorargyrite |
| Chlordioxid | chlorine dioxide |
| Chlorfluorid | chlorine fluoride |
| Chlorit | chlorite |
| Chloroprene | chloroprene |