| Subject | English | German |
| environ. | alkaline fen | kalkreiches Niedermoor |
| nat.sc., life.sc. | alkaline fen | alkalisches Moor |
| life.sc., agric. | black fen | Schwarztorf |
| environ. | calcareous fen | kalkreiches Niedermoor |
| environ. | calcareous fens | kalkreiche Niedermoore |
| gen. | fen-phen | Appetitzügler Kombination aus Fenfluramin und Phentermin (diet pill containing fenfluramine and phentermine) |
| gen. | fen-phen | Abmagerungspille (diet pill containing fenfluramine and phentermine) |
| nat.sc., agric. | great fen sedge | Binsen-Schneide (Cladium mariscoides Torr., Cladium mariscus Pohl) |
| environ. | mires and fens | Niedermoor |
| life.sc., agric. | reclaimed fen soil | Marschboden |
| environ. | riverine fen | Fluβtalmoor |
| nat.res. | spring fen | Quellmoor |
| met. | valley fen | Talmoor |