| intrigieren | intrigue cabal |
| interagieren | interact |
| Infigieren | infixation |
| integrieren | integrate |
| intendieren | intend |
| internieren | intern |
| intubieren | intubate |
| triagieren | triage |
| dirigieren | conduct |
| erigieren | erect |
| korrigieren | correct adjust |
| navigieren | navigate |
| indizieren | index |
| infizieren | infect |
| inhibieren | inhibit |
| initiieren | initiate |
| injizieren | inject |
| inquirieren | inquire |
| inskribieren | register |
| inspirieren | inspire |