| Nährmutter | foster mother |
| Nährvater | foster father |
| Urmutter | foremother |
| Radmutter | lug nut |
| Aalmutter | viviparous blenny viviparous eelpout eelpout |
| Hausmutter | large yellow underwing |
| Bohrfutter | chuck |
| Gebärmutter | uterus womb |
| Lesemutter | mater lectionis |
| Puffmutter | brothel-keeper |
| Stammmutter | ancestor |
| Leihmutter | surrogate mother |
| Mutter | mother nut |
| Nachtmütze | nightcap |
| Perlmutter | nacre mother-of-pearl |
| Tagesmutter | childminder |
| Ziehmutter | mentor |
| Raufutter | roughage |
| Waxhrüttler | jolt |
| schütter | thin |