| Irreverenz | irreverence |
| Reverenz | reverence |
| Irrelevanz | irrelevance irrelevancy |
| Referenz | reference |
| irreleiten | beguile |
| irritierend | bewildering |
| Irrstern | comet |
| irreführen | mislead |
| irreführend | misleading |
| irrelevant | irrelevant |
| irritieren | confuse disturb irritate |
| arretieren | arrest stop lock |
| Inferenz | inference |
| Interferenz | interference |
| Präferenz | preference |
| Referent | speaker |
| arrivieren | advance |
| irisieren | iridescence iridescent |
| irisierend | iridescent |
| kreieren | create |