| Dreizylinder | three-cylinder engine |
| Vierzylinder | four-cylinder engine |
| Dreispringer | triple jumper |
| Dreizylinder-Diesel | three-cylinder diesel engine |
| Hohlzylinder | barrel |
| Achtzylinder | eight-cylinder |
| Zylinder | cylinder top-hat top hat |
| Dreißiger | thirties |
| Drehmelder | resolver selsyn synchro |
| dreihundert | three hundred |
| dreizehnte | thirteenth |
| Preisindex | price index |
| reizmindernd | abirritant |
| Reisender | traveller traveler |
| Rheinländer | Rhinelander |
| Drechsler | turner |
| Dreidecker | triplane |
| Dreiflächner | trihedron |
| Dreispringerin | triple jumper |
| dreigliedrig | tripartite |