| Isolator | insulator |
| Isolation | insulation isolation |
| Isobar | isobar |
| isobar | isobaric |
| Isoton | isotone |
| isotop | isotopic |
| Isotop | isotope |
| isochor | isochoric isochore isochorically |
| Solaröl | solar oil |
| Soliton | soliton |
| Solitär | solitaire |
| solitär | solitary |
| solar | solar |
| Inhalator | inhaler |
| Emulator | emulator |
| Rollator | walker walking frame rollator Zimmer frame |
| Simulator | simulator |
| Donator | giver |
| Iterator | iterator |
| Resonator | resonator |