sort by Rank | Alpha
| Possible Meanings | Rank |
| Chairperson of the Equal Opportunities Commission | *** |
| Composed of the Communist | *** |
| Council of Eastern Orthodox Churches | *** |
| Community Emergency Operations Centre | *** |
| Central European Oncology Congress | *** |
| Citizens Equal Opportunity Commission | *** |
| Central Emergency Operation Center | *** |
| Community Education and Outreach Center | ** |
| Community Education and Outreach Committee | ** |
| Comprehensive Emergency Obstetrical Care | ** |
| Career and Education Operating Council | ** |
| Central European Osseointegration Centre | ** |
| Comprehensive Essential Obstetric Care | ** |
| Central European Orthopaedic Congress | ** |
| County Emergency Operations Center | ** |
| Center for Educational Outreach Connections | ** |
| Campus Emergency Operations Committee | ** |
| Central European Orthopedic Congress | ** |
| Cambridge Economic Opportunity Committee | ** |
| Corporate Emergency Operations Centre | ** |
| Comprehensive Essential Obstetrical Care | ** |
| Commonwealth Educational Opportunity Center | * |
| Conway Emergency Operations Center | * |
| County Emergency Operation Centre | * |
| Cambridge Economic Opportunity Commission | * |
| Cambridge Economic Opportunity Council | * |
| China Exhibition Organizers Commission | * |
| Citizens Election Oversight Committee | * |
| comprehensive emergency obstetric care | * |
| Continuing Education Orange Center | * |
| Corporate Emergency Operations Center | * |