| Subject | English | German |
| chem. | FI method | Feldionenmethode |
| chem. | FI method | FI-Methode |
| chem. | fi reproofing | Feuerschutz |
| el. | hi-fi | Hi-Fi |
| commun. | hi-fi | klanggetreue Wiedergabe |
| gen. | Hi-Fi | hohe Wiedergabetreue |
| gen. | Hi-Fi | Hi-Fi |
| gen. | hi-fi equipment | Musikanlage |
| gen. | hi-fi system | Stereoanlage |
| polygr. | sci-fi | Science Fiction |
| gen. | sci-fi film | Sci-Fi-Film |
| gen. | sci-fi movie | Sci-Fi-Film |
| commun., IT | Wi-Fi | lokales Funknetz |
| commun., IT | Wi-Fi | Funk-LAN |
| commun., IT | Wi-Fi | Funknetzwerk |
| comp., MS | Wi-Fi | WLAN (The 802.11b standard for wireless networking. A standard for delivering digital information over high-frequency, wireless local area networks) |
| comp., MS | Wi-Fi | WiFi (The 802.11b standard for wireless networking. A standard for delivering digital information over high-frequency, wireless local area networks) |
| comp., MS | Wi-Fi hotspot | WLAN-Hotspot (A public place (such as a coffee shop, airport, or hotel) with a wireless network that you can use to connect to the Internet) |
| comp., MS | Wi-Fi networking | WLAN-Netzwerke (A toggle switch that allows phone to access available Wi-Fi networks) |
