sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Rockaway Center for the Arts | *** |
| Russian Orthodox Church in America | *** |
| Republic of China Air | *** |
| Risk of Ovarian Cancer Algorithm | *** |
| Regional Office for Central Africa | ** |
| Representational Oriented Component Analysis | ** |
| River Oaks Community Association | ** |
| Radio Orienteering in a Compact Area | ** |
| Riverside Orange Corridor Authority | ** |
| Rural Oklahoma Capital Alliance | ** |
| Republic of China Army | ** |
| Royal Oaks Civic Association | ** |
| Residents on Campus Association | ** |
| Reaching Out to Chelsea Adolescents | ** |
| Ravenna Offshore Contractors Association | * |
| Return on Controllable Assets | * |
| Regional Office for Central America | * |