| Acronym | Meaning |
| EPO | Erythropoietin |
| IOM | Iowa |
| BI | Burundi (ISO 3166 Digram) |
| NZL | Noze Looan (online/event Listings) |
| WAAC | Women's Army Auxiliary Corps (WWII UK) |
| R2I | Resistance To Interrogation |
| CK | Cocos (Keeling) Islands (FIPS 10-4 Country Code) - Cook Islands (ISO 3166 Digram) |
| EKG | Electrocardiogram (from German Elektrokardiogramm) |
| FRY | West Frisian Language (ISO 639-2 Code) |
| METAR | [Meteorological] Aviation Routine Weather Report |