| Referendar | student teacher trainee teacher |
| Referendarin | student teacher trainee teacher |
| Referendum | referendum |
| Referentin | speaker |
| Referent | speaker |
| Referenz | reference |
| Referrer | referrer |
| Referat | report lecture presentation talk paper project department division unit |
| Referee | referee |
| refraktär | refractory |
| Opfernder | sacrificer |
| Berengar | Berengar |
| Reverenz | reverence |
| Lehrender | instructor |
| Genesender | convalescent |
| Reisender | traveller traveler |
| legendär | legendary |
| Referenzbuch | reference book |
| Reflektor | reflector |
| Reformator | reformer |