| Intelligenzquotient | intelligence quotient |
| Intelligenzbestie | genius |
| Intelligent Design | intelligent design |
| Intelligenzija | intelligentsia |
| intelligentes Leben | intelligence |
| Intelligenz | intelligence |
| intelligent | intelligent |
| Intelligibilität | comprehensibility |
| unterlizenzieren | sublicense |
| unterdimensioniert | undersized |
| Interventionist | interventionist |
| intersententiell | intersentential |
| Integument | integument |
| Intellektuelle | intellectual |
| Intellektueller | intellectual |
| Interessentin | stakeholder |
| Intervention | intervention |
| intelligibel | intelligible |
| interdependent | interdependent |
| Unterleutnant | second lieutenant underlieutenant |