| Harnröhre | urethra |
| Harnsäure | uric acid |
| Fernrohr | telescope |
| Nanoröhre | nanotube |
| Hardrock | hard rock |
| Harnwege | urinary tract |
| Harare | Harare |
| Hardware | hardware |
| Harmonie | harmony |
| Harnblase | urinary bladder |
| Hartford | Hartford |
| Harzsäure | resin acid |
| Karnivore | carnivore |
| Hirnrinde | mantle |
| Hosenrohr | two-way diverter pipe y-pipe |
| Ofenrohr | stovepipe |
| Saugrohr | intake manifold |
| Fallrohr | downpipe downspout drainpipe |
| Luftröhre | trachea windpipe |
| Radioröhre | thermionic valve |