| Rennstall | racing stable racing team |
| Brennstab | fuel rod |
| Tennisball | tennis ball |
| Rinnsal | brook |
| mannstoll | nymphomaniac oversexed |
| Reinfall | flop |
| Irrenanstalt | madhouse |
| Rennmaus | gerbil |
| Rennrad | racer |
| Rennvogel | cream-colored courser |
| Brennstoff | fuel combustible |
| Grenzstadt | border town |
| Rennbahn | racetrack |
| Rennplatz | racecourse |
| Rentamt | bursary |
| renal | renal |
| rentabel | profitable |
| Tennsäge | ripsaw |
| Kennzahl | index figure ratio |
| Pennal | pen case |