| Rotkehlchen | robin European robin robin redbreast |
| Rotkäppchen | Little Red Riding Hood |
| Roteiche | red oak |
| rotsehen | see red |
| Blaukehlchen | bluethroat |
| Braunkehlchen | whinchat |
| Kerlchen | buster |
| Röllchen | roll |
| α-Teilchen | alpha particle |
| Fitzelchen | termination |
| Mittelchen | quack remedy |
| Teilchen | particle sweet pastry |
| Vögelchen | birdie |
| Röhrchen | cannula tubule |
| Brot brechen | break bread |
| Brotbrechen | Holy Communion |
| Rot sehen | see red |
| Rothuhn | red-legged partridge |
| Rotkehlpieper | red-throated pipit |
| Rotwelsch | argot |
| rotwelsch | cant |