| Acronym | Meaning |
| VZW | Vereniging Zonder Winstoogmerk (Dutch Non-profit Organisation) |
| ARRC | ACE Rapid Reaction Corps |
| MLW | Mean Low Water (nautical Charts) |
| NOTAM | Notice To Airmen |
| PTUI | Plain-Text User Interface (pa-too-ey) (cf CLI) |
| JOD | Jordanian Dinar (ISO 4217 Currency Code) |
| EHF | Extremely High Frequency |
| PJS | Pajamas (pee-jayz) |
| BRASS | Breathe |
| FUL | Fula Language (ISO 639-2 Code) |