| Acronym | Meaning |
| COSER | COoperative SERvice |
| ZW | Zettawatt - Zimbabwe (ISO 3166 Digram) |
| NSB | Norges Statsbaner (Norwegian State Railways) |
| HUN | Hungarian Language (ISO 639-2 Code) |
| JPN | Japan (ISO 3166 Trigram) |
| Z | Zepto |
| WHI | Women's Health Initiative |
| NG | Nanogram - Ndonga Language (ISO 639-1 Code) |
| USCG | United States Coast Guard |
| MAVS | Mobile Artillery Vehicle System |