| Eifelium | Eifelian |
| Eiffelturm | Eiffel tower |
| Asselium | Asselian |
| Gzhelium | Gzhelian |
| Myzelium | mycelium |
| Rupelium | Rupelian |
| Berkelium | berkelium |
| Helium | helium |
| Nobelium | nobelium |
| eifernd | bigoted |
| reiflich | mature |
| Eifer | zeal eagerness enthusiasm fervor ardor verve alacrity precipitancy rush |
| Eiferer | bigot zealot |
| eifern | strive |
| eifrig | eager avid keen zealous industrious assiduous |
| Eisfeld | ice field |
| Apfelbaum | apple tree apple |
| Apfelmus | apple sauce applesauce |
| Felix | Felix |
| Gipfeli | croissant |