| Naturforscher | naturalist |
| Naturforscherin | naturalist |
| Afterforscher | pseudoscientist |
| Namenforscher | onomastician |
| nachforschen | investigate inquire into the matter |
| Naturalpächter | sharecropper |
| Naturgeister | fairy |
| naturfarben | natural |
| Naturrecht | natural law |
| Türsprecher | entryphone |
| Afterforscherin | pseudoscientist |
| erforschen | research |
| Ahnenforscher | genealogist |
| Namenforscherin | onomastician |
| Sexualforscher | sexologist |
| Forscher | researcher explorer |
| Klimaforscher | climatologist |
| Raketenforscher | rocket scientist |
| nassforsch | brash cocky very forward |
| Notgroschen | nest egg |