sort by Rank | Alpha
| Possible Meanings | Rank |
| Office of the Commissioner for Aquaculture Development | *** |
| occlusive carotid artery disease | ** |
| occlusive coronary artery disease | ** |
| Ontario College of Arts and Design | ** |
| OPCW Central Analytical Database | ** |
| Oelwein Chamber Area Development | ** |
| Office of Career and Academic Development | ** |
| Orange County Assessor Department | ** |
| Oelwein Chamber and Area Development | ** |
| Ohio Center for Aquaculture Development | ** |
| Ochiltree County Appraisal District | ** |
| Optimal Computer Aided Design | ** |
| Office of the Commission for Aquaculture Development | * |
| Office of the Commissioner of Accounts and Deposits | * |
| Ontario College for Art and Design | * |
| Online Comic Artists Directory | * |
| Office of Cultural Affairs and Development | * |
| Operational Control Agreement Document | * |
| Official Consumer Announce Date | * |