| interferieren | interfere |
| intervenieren | intervene intercede interfere |
| interzedieren | mediate |
| integrieren | integrate |
| interagieren | interact |
| interessieren | interest |
| internieren | intern |
| interpellieren | interpellate |
| interpolieren | interpolate |
| interponieren | mediate appeal |
| interpretieren | interpret |
| Interferon | interferon |
| Interferenz | interference |
| Interferometer | interferometer |
| Interserie | Interserie |
| intendieren | intend |
| intensivieren | intensify |
| intermittieren | intermit |
| interviewen | interview |
| intrigieren | intrigue cabal |