| instituieren | institute |
| insinuieren | insinuate |
| instruieren | instruct |
| konstituieren | establish constitute assemble convene |
| restituieren | restitute |
| insistieren | insist |
| inspirieren | inspire |
| inspizieren | inspect check examine |
| installieren | install |
| konstituierend | constituent |
| prostituieren | prostitute |
| substituieren | substitute |
| initiieren | initiate |
| Institution | fixture institution |
| einsortieren | file |
| instanziieren | instantiate |
| inserieren | advertise |
| inskribieren | register |
| inszenieren | stage |
| anstieren | stare |