sort by Rank | Alpha
| Possible Meanings | Rank |
| Committee on Pediatric AIDS | **** |
| Connecticut Office of Protection and Advocacy | **** |
| Committee for the Promotion and Advancement | **** |
| Council on Professional Affairs | **** |
| Committee on Public Awareness | **** |
| Council on Postsecondary Accreditation | **** |
| Coalition on Political Assassinations | **** |
| California Ocean Protection Act | *** |
| Centennial Olympic Park Area | *** |
| Conservation Officers of Pennsylvania Association | *** |
| Committee on Public Art | *** |
| Council of Pakistan American | *** |
| Cancer Outlier Profile Analysis | *** |
| Creating Opportunities for Physical Activity | *** |
| Community Organizing and Political Action | *** |
| Cost of Power Adjustment | *** |
| Community Organization Planning and Administration | *** |
| Committee for an Open Archives | *** |
| Coalition Opposed to PCB Ash | *** |
| Community Outreach Programs in Addictions | *** |
| Conservatory of Performing Arts | *** |
| Committee on Pediatric Anesthesia | *** |
| Citizens Opposed to PCB Ash | *** |
| Certificate of Public Advantage | *** |
| Competency Outcomes and Performance Assessment | ** |
| chronic obstructive pulmonary affections | ** |
| Cooperating Programs in the Americas | ** |
| Central Oklahoma Parrothead Association | ** |
| Concord Orthopaedics Professional Association | ** |
| Council of Postsecondary Accreditation | ** |
| Committee on Psychology and AIDS | ** |
| Computer Parts of America | ** |
| Children Online Protection Act | ** |
| Coalition on Police Accountability | ** |
| Coalition of Professional Associations | ** |
| College of Pension Actuaries | ** |
| Computer Operator and Programming Assistant | ** |
| Charleston Outdoor Painters Association | ** |
| Consumer Operated Projects and Activities | ** |
| Council on Positive Aging | ** |
| Central Oklahoma Project Access | ** |
| Cambridge Organization of Portuguese Americans | ** |
| Committee on Prison Accountability | ** |
| Community Older Persons Alcohol | ** |
| Conservation Officers of PA Association | ** |
| Central Ohio Psychological Association | ** |
| Central Oklahoma Pontiac Association | ** |
| Culture of Peace Alliance | ** |
| Child Outcome Planning Assessment | ** |
| Council of Planning Affiliates | ** |
| California Orthotic and Prosthetic Association | ** |
| Canadian Oilseed Producers Association | ** |
| Central Ohio Personnel Association | ** |
| Central Oregon Progressive Alliance | ** |
| California Ocean Policy Act | ** |
| Coalition of Photographic Arts | ** |
| Columbus Ohio Pinball Association | ** |
| Cross Organizational Programme Analyses | ** |
| Childrens Online Protection Act | ** |
| College Office Professionals Association | ** |
| Central Office of Personnel Administration | * |
| Central Ohio Puppetry Alliance | * |
| Chapter Outstanding Performance Award | * |
| Communities of Practice in Autism | * |
| Consumer Operated Programs and Activities | * |
| Cooperative Programs in the Americas | * |
| Council of Probation Administrators | * |
| California Orthotics and Prosthetics Association | * |
| Confederation of Parliaments of the Americas | * |
| Certified Orthotic and Prosthetic Associates | * |
| Chapter Outstanding Performance Awards | * |
| Constitutionalism and Peace Advocacy | * |
| Cost of Program Allowance | * |
| College Office Personnel Association | * |
| Calcium Osteoporosis Physical Activity | * |
| Canadian Owners Pilot Association | * |
| Centre for Optoelectronics Packaging | * |
| Certified Orthotic and Prosthetic Advocates | * |
| Computer Operating and Programming Assistant | * |
| Confidential Office Personnel Association | * |
| Council on Professional Accreditation | * |
| Cross Organizational Programme Analysis | * |
| Commission On Preservation and Access | * |
| California Office Of Permit Assistance | * |
| Comit? des Organisations Professionnelles Agricoles de la CEE | * |