| intelligibel | intelligible |
| Intelligenz | intelligence |
| intelligent | intelligent |
| indefinibel | undefinable |
| indeklinabel | indeclinable undeclinable |
| Intelligibilität | comprehensibility |
| intellektuell | intellectual |
| interlingual | interlingual |
| inflexibel | inflexible |
| Intelligenzija | intelligentsia |
| Interlaken | Interlaken |
| Interlinear- | interlinear |
| Interlineares | interlinear |
| Internierte | internee |
| Winterzwiebel | spring onion |
| Integral | integral |
| integral | integral |
| Intellekt | intellect |
| Intellektuelle | intellectual |
| Interglazial | interglacial interglacial episode interglacial interval |
| interglazial | interglacial |