| Elektrochemiker | electrochemist |
| Elektrochemikerin | electrochemist |
| Elektrochemie | electrochemistry |
| elektrochemisch | electrochemical |
| Elektroschocker | stun gun |
| Elektroniker | electronics technician |
| Elektrotechniker | electrical engineer |
| Elektriker | electrician |
| Petrochemie | petrochemistry |
| Elektrorasierer | shaver |
| Elektroschock | electric shock |
| Elektrodynamik | electrodynamics |
| Elektrofilter | electrostatic air cleaner electrostatic precipitator |
| Elektroherd | electric stove |
| Elektroingenieur | electrical engineer |
| Elektromotor | electric motor |
| Elektronik | electronics electronic circuit |
| Elektrostatik | electrostatics |
| Elektrotechnik | electrical engineering electrotechnology electro-technics |
| Femtochemie | femtochemistry |