| Geometrie-Dreieck | set square |
| Geodreieck | set square |
| Bermuda-Dreieck | Bermuda Triangle |
| Giebeldreieck | pediment |
| Sommerdreieck | Summer Triangle |
| geometrische Reihe | geometric progression |
| Geometrie | geometry |
| geometrisch | geometric geometrical |
| Bonwill-Dreieck | Bonwill triangle |
| Winterdreieck | Winter Triangle |
| Bermudadreieck | Bermuda Triangle |
| Geometer | surveyor |
| Geothermie | geothermal power geothermy |
| Geothermik | geothermics |
| Römerreich | Roman Empire |
| penetrieren | penetrate |
| generieren | generate |
| Energy-Drink | energy drink |
| Pannendreieck | breakdown triangle warning triangle |
| Warndreieck | breakdown triangle warning triangle |