| Isolationsschlauch | spaghetti |
| Isolationshaft | solitary confinement |
| isolationistisch | isolationist |
| Isolationismus | isolationism |
| Isolationist | isolationist |
| Isolationistin | isolationist |
| Platinschmuck | platinum jewellery |
| Iterationsschritt | iteration |
| Weinschlauch | wineskin |
| Gartenschlauch | garden hose |
| Stauschlauch | tourniquet |
| isoelektronisch | isoelectronic |
| Isolation | insulation isolation |
| isotonisch | isotonic |
| Solontschak | solonchak |
| Informationsaustausch | communication |
| Rotationsbrache | fallow |
| Rotationsachse | axis of rotation |
| evolutionistisch | evolutionistic |
| willensschwach | weak-minded |