| Subject | English | German |
| construct. | arch keystone | Schlußstein |
| commun., el. | field keystone correction | Trapez-Vertikalsignale |
| commun., el. | field keystone waveform | Trapez-Vertikalsignale |
| gen. | field keystone waveform | vertikal-freqünte Trapezentzerrung |
| construct. | hanging keystone | hängender Schlußstein |
| construct. | keystone brick | Schlussstein |
| commun. | keystone correction | Trapezentzerrung |
| gen. | keystone correction | Perspektivkorrektur |
| gen. | keystone correction | Korrektur stürzender Linien |
| commun. | keystone distortion | Trapezverzerrung |
| phys. | keystone distortion | trapezförmige Verzerrung |
| gen. | .keystone distortion | Trapezverzerrung |
| gen. | .keystone distortion | Trapezverzeichnung |
| commun. | keystone distortion | Trapezfehler |
| phys. | keystone distortion | trapezförmige Verzeichnung |
| opt. | keystone distortion | Schlußsteinverzerrung |
| tech. | keystone distortion | Trapezverzeichnung |
| tech. | keystone distortion | Schlusssteinverzerrung |
| tech. | keystone effect | Trapezverzeichnung |
| tech. | keystone effect | Trapezeffekt |
| construct. | keystone, key block, key of an arch crown stone, apex stone | Schlüssel eines Gewölbes |
| construct. | keystone, key block, key of an arch crown stone, apex stone | Schlußstein |
| construct. | keystone layer | Schlußsteinschicht |
| engin. | keystone ring | doppelseitiger Trapezring (piston) |
| microel. | keystone runout | Trapezverzerrung |
| tech. | keystone shaped | trapezförmig |
| tech. | keystone-shaped | trapezfoermig |
| tech. | keystone-shaped delineation of a scanning pattern | Kisseneffekt |
| forestr. | keystone species | Schlüsselart |
| gen. | keystone species | Schlüsselarten |
| forestr. | keystone species | Zeigerpflanze |
| supercond. | keystone stranded conductor | Segmentleiter |
| commun., el. | line keystone correction | Trapezzeilensignale |
| commun. | line keystone waveform | horizontal-freqünte Trapezentzerrung |
| commun., el. | line keystone waveform | Trapezzeilensignale |