| Felsspalt | crevice |
| Felsspalte | faille |
| Feldspat | feldspar |
| Feldspatz | tree sparrow |
| Felsplatt | ledge |
| Feldsalat | corn salad lamb's lettuce |
| Felsband | ledge |
| Felsspitze | buttress |
| Fußpilz | athlete's foot athlete’s foot |
| Fußspann | instep |
| Flussspat | fluorspar |
| Kalkspat | calcite |
| Spalt | break crack |
| Zwiespalt | conflict |
| nasskalt | dank |
| Gestalt | conformation figure gestalt shape stature |
| eiskalt | ice-cold freezing frigid cold cold blooded |
| Feldspieler | skater |
| Feldspinne | liocranid sac spider |
| Feldstein | fieldstone |