| Ferrobor | ferroboron |
| Fernrohr | telescope |
| Terror | terror |
| Ferner | glacier |
| ferner | moreover additionally further furthermore in addition |
| Ferienort | resort |
| Fermion | fermion |
| Fernost | Far East |
| Ferrit | ferrite |
| fernab | far away |
| Erröten | blush |
| erröten | blush flush glow turn pink |
| Leerrohr | conduit |
| Terraner | Earthling |
| erregbar | nervously |
| verrottbar | putrescible |
| Erreger | germ pathogen |
| Perron | platform |
| Terrier | terrier |
| Verräter | traitor |