| Subject | English | German |
| mech.eng. | total composite error | Sammelfehler |
| gear.tr. | total composite error | Wälzfehler |
| gear.tr. | total composite error-double flank | Zweiflankenwälzfehler (at single gear revolution) |
| gear.tr. | total composite error-double flank | Zweiflankenwälzabweichung (at single gear revolution) |