| Referenz | reference |
| Referenzbuch | reference book |
| Referent | speaker |
| Reverenz | reverence |
| Referee | referee |
| referenzieren | reference |
| Inferenz | inference |
| Präferenz | preference |
| Referentin | speaker |
| Referrer | referrer |
| reffen | reef |
| Referat | report lecture presentation talk paper project department division unit |
| Referendar | student teacher trainee teacher |
| Referendum | referendum |
| afferent | afferent |
| Differenz | difference remainder |
| Konferenz | conference |
| Limerenz | limerence |
| Temperenz | temperance |
| Irreverenz | irreverence |