| Hirn | brain |
| Hirntod | brain death cerebral death death of brain |
| hirnlos | brainless |
| hirntot | brain-dead braindead |
| Hirnholz | end grain |
| Hirnnerv | cranial nerve |
| Hirt | herder shepherd |
| Hirnhaut | meninx |
| Firn | firn |
| firn | elderly |
| Hirndruck | intracranial pressure |
| Hirnkrebs | brain cancer |
| Hirnrinde | mantle |
| Hirnstamm | brain stem |
| Hirtin | herder |
| Gehirn | brain mind |
| Hirnbatzl | flick |
| Hirnfrost | brain freeze cold-stimulus headache |
| Hirntumor | brain tumor |
| Hirse | millet |