| Subject | English | German |
| agric. | full sibling | Vollgeschwister |
| proced.law. | full sibling relationship | Vollgeschwisterschaft |
| proced.law. | half blood sibling relationship | Halbgeschwisterschaft |
| proced.law. | half sibling relationship | Halbgeschwisterschaft |
| pharma. | Sibling controls | Kontrollpersonen aus der Geschwisterreihe |
| med. | sibling controls | Kontrollpersonen aus der Geschwisterreihe |
| gen. | sibling marriage | Geschwisterehe |
| NGO | sibling reduction | Mehrkind-Ermäßigung |
| gen. | sibling rivalry | Rivalität zwischen Geschwistern |
| comp., MS | sibling site | gleichgeordneter Standort (A site on the same hierarchy tier that has the same parent site as another site) |
| paleont. | sibling species | Geschwister-Arten |
| gen. | sibling species | Zwillingsart |
| med. | sibling species | Geschwisterart |
| comp., MS | sibling window | gleichgeordnetes Fenster (A child window that has the same parent window as one or more other child windows) |
| proced.law. | whole blood sibling relationship | Vollgeschwisterschaft |