| Acronym | Meaning |
 | WAAF | Women's Auxiliary Air Force (WWII UK) |
| AY | Aymara Language (ISO 639-1 Code) |
| YS | Yottasecond |
| BNP | British National Party ? Banque Nationale De Paris |
| RTI | Run-Time Infrastructure (Simulation) |
| VIA | Versatile Interface Adapter |
| NLL | National Lacrosse League |
| APHA | American Public Health Association |
| WEZ | Weapon Engagement Zone |
| YIPPIE | Youth International Party + Suffix |
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