| Acronym | Meaning |
| DST | Daylight Saving Time |
| ZK | Zeptokelvin |
| SP | Security Police - Self-Propelled - Shore Patrol -Spain (FIPS 10-4 Country Code) -Start Point - Strong Point |
| PYG | Paraguayan Guarani (ISO 4217 Currency Code) |
| UNIFEM | United Nations Development Fund For Women |
| NIMA | National Imagery And Mapping Agency (became NGA) |
| SRD | Science Requirements Document -Surinam Dollar (ISO 4217 Currency Code) |
| TN | Tennessee (postal Symbol) - Teranewton - Tonga (FIPS 10-4 Country Code) - Tunisia (ISO 3166 Digram) |
| SDN | Sudan (ISO 3166 Trigram) |
| RON | Romanian New Leu (ISO 4217 Currency Code) |