| Subject | English | German |
| comp., MS | class relation | Klassenbeziehung (A connection between two classes in a parent-child relationship. The relation defines the number of instances of each class) |
| work.fl. | class relation | Relation zwischen Klassen |
| econ. | class relations | Klassenbeziehungen |
| econ. | class relations | Klassenverhältnisse |