| Acronym | Meaning |
| CH | Chamorro Language (ISO 639-1 Code) |
| CORD | Common Operational Requirements Document |
| AFS&A OR AFSA | U.S. Air Force Studies And Analysis |
| KERA | Kentucky Education Reform Act (of 1990) |
| WRC | World Rally Championship |
| QD | Quaque Die (Latin |
| TTD | Trinidad And Tobago Dollar (ISO 4217 Currency Code) |
| XII | Twelve (in Roman Numerals) |
| CCII | Command And Control Information Infrastructure |
| PY | Paraguay (ISO 3166 Digram) - Person-Year -Portsmouth Yardstick |