| Acronym | Meaning |
| OCD | Obsessive-Compulsive Disorder |
| WZ | Swaziland (FIPS 10-4 Country Code) |
| VEN | Venezuela (ISO 3166 Trigram) |
| FCE | First Certificate In English |
| IO | Ido Language (ISO 639-1 Code) |
| ADL | Anti-Defamation League |
| CECOM | U.S. Army Communications And Electronics Command |
| POG | Passionfruit |
| YC | Yottacoulomb |
| FIJ | Fijian Language (ISO 639-2 Code) |