| Hirnkrebs | brain cancer |
| Kornkrebs | wheat weevil |
| Kornkreis | crop circle |
| Inkreis | incircle |
| Hautkrebs | skin cancer |
| Hirndruck | intracranial pressure |
| Hirnnerv | cranial nerve |
| Hirnfrost | brain freeze cold-stimulus headache |
| hirnlos | brainless |
| Hornklee | birdsfoot trefoil lotus |
| Senkreis | cutting |
| Feenkreis | fairy circle fairy ring |
| Pankreas | pancreas salivary gland of the abdomen |
| Schildkrebs | tadpole shrimp |
| Signalkrebs | signal crayfish |
| Halbkreis | semicircle |
| Hauskreis | cell group |
| Krebs | crayfish crab cancer Cancer |
| Tierkreis | zodiac |
| Hirnholz | end grain |