| Carborundum | carborundum |
| Karborund | carborundum |
| Arboretum | arboretum |
| Carbonado | carbonado |
| Carbonyl | carbonyl |
| Abortivum | abortive |
| abgründig | abysmal |
| Abgrund | abyss precipice |
| Abrundung | rounding truncation |
| Burunduk | Siberian chipmunk |
| abrunden | round down |
| rundum | all around completely |
| Memorandum | memorandum |
| Carbolsäure | carbolic acid |
| Carboxyl- | carboxylic |
| Caron | háček |
| Carotin | carotene |
| Carotinoid | carotenoid |
| Carban | carbane |
| Carbonsäure | carboxylic acid |