| infrage | contemplable eligible in question |
| Anfrage | enquiry inquiry |
| infolge | due to as a result of |
| infra- | infra- |
| anfragen | bespeak |
| W-Frage | wh-question |
| Abfrage | query information retrieval test inquiry monitoring request |
| Frage | question issue |
| Umfrage | survey poll |
| Infrarot | infrared |
| infrarot | infrared |
| Infamie | infamy |
| Infant | infante |
| Mainframe | mainframe |
| infam | infamous |
| Befrager | interviewer pollster |
| Frager | poser |
| Frame | frame |
| Fräse | tiller milling machine |
| abfragen | query ask |