| Referent | speaker |
| Referentin | speaker |
| Referenz | reference |
| Referat | report lecture presentation talk paper project department division unit |
| Referee | referee |
| afferent | afferent |
| Reverenz | reverence |
| Referrer | referrer |
| reffen | reef |
| Referendar | student teacher trainee teacher |
| Referendum | referendum |
| gefedert | feathered |
| Lieferant | supplier delivery man |
| gefeiert | acclaimed celebrated renowned solemnized |
| Ferment | enzyme |
| Inferenz | inference |
| Präferenz | preference |
| Soferet | soferet |
| different | different |
| Reiherente | tufted duck |