sort by Rank | Alpha
| Possible Meanings | Rank |
| Outcome of the Programme | **** |
| Outward Processing Arrangements | **** |
| Online Payment Agreement | **** |
| Out of Pocket Allowance | **** |
| Opened the Application | **** |
| Other Procurement Air | **** |
| Official Points of Acceptance | **** |
| Open Partial Agreement | **** |
| Office Products Analyst | **** |
| Of Population Affairs | **** |
| Office of the Public Advocate | **** |
| Ontario Pharmacists Association | **** |
| Organismes Professionnels Agricoles | **** |
| Official Plan Amendment | *** |
| Of the Office of the Public Advocate | *** |
| Office of the Provincial Agriculturist | *** |
| Organisations Professionnelles Agricoles | *** |
| Ohio Psychological Association | *** |
| Office of the Public Auditor | *** |
| Ontario Physiotherapy Association | *** |
| Organisation of Professional Associations | *** |
| Ospedale Pediatrico Apuano | *** |
| Orthopedic Physician Assistants | *** |
| Outward Processing Arrangement | *** |
| Ocean Pines Association | *** |
| Of the Provincial Agriculturist | *** |
| Of the Presentation | *** |
| Ocular Pulse Amplitude | *** |
| Optical Phased Arrays | *** |
| Oregon Psychiatric Association | *** |
| Oral Pharyngeal Airway | *** |
| Oak Park Academy | *** |
| Oregon Peak Adventures | *** |
| Office Product Activation | *** |
| Ontario Puppetry Association | *** |
| Online Proposal Appraisal | *** |
| Office Procedure Automation | *** |
| Oil Pastel Association | *** |
| Organizaciones Profesionales Agrarias | *** |
| Online Publisher Association | *** |
| Optical Parametric Amplifiers | *** |
| Optic Parametric Amplifiers | *** |
| Option Purchase Agreements | *** |
| Omega Phi Alpha | *** |
| Office of Public Administration | *** |
| Oregon Potters Association | *** |
| Office of Pardon Attorney | *** |
| Overseas Performing Artists | *** |
| Optical Process Automation | *** |
| Overall Performance Assessments | *** |
| Ohio Psychiatric Association | *** |
| Of Professional Astrologers | *** |
| Okoboji Protective Association | *** |
| Online Public Access | *** |
| Ontario Pesticides Act | *** |
| Oesophageal Patients Association | *** |
| Optical Parametric Amplification | *** |
| Objectieve Proef Ajuinen | *** |
| Outer Protection Area | *** |
| Operational Performance Assessments | *** |
| Orientation Peer Advisors | *** |
| Organization for Professional Astrology | *** |
| Other Protected Areas | *** |
| Optical Phased Array | *** |
| Other Procurement Army | *** |
| Orange Park Acres | *** |
| Options Pricing and Applications | *** |
| Oregon Psychological Association | *** |
| Overseas Performing Artist | *** |
| Operacion Planeta Amor | *** |
| Operator Performance Appraisal | *** |
| Ohio Pharmacist Association | *** |
| Official Planning Agencies | *** |
| Office of Patient Advocacy | *** |
| Office of Planning and Accountability | *** |
| Old Players Alliance | *** |
| Owners and Pilots Association | *** |
| Ontario Physique Association | *** |
| Oil Production Act | *** |
| Oracle Pharmaceutical Applications | *** |
| Office of Patient Advocate | *** |
| Occupational Pensioners Alliance | *** |
| Obsessive Possessive Aggression | *** |
| Office of Planning and Assessment | *** |
| Occupational Physical Activity | ** |
| Online Payment Agreements | ** |
| Old People Assault | ** |
| observer preference analysis | ** |
| ocular pulsation amplitude | ** |
| ocular pulse amplitudes | ** |
| oncofetal pancreatic antigen | ** |
| open proximal anastomosis | ** |
| optical plankton analyser | ** |
| organizational performance assessment | ** |
| Overall Patient Assessment | ** |
| Operational Performance Assessment | ** |
| Oliver Papraniku Associates | ** |
| Output and Performance Analysis | ** |
| Oil Polution Act | ** |
| Ovine Pulmonary Adenocarcinoma | ** |
| Office of Postdoctoral Affairs | ** |
| Oklahoma Psychological Association | ** |
| Outline Planning Application | ** |
| Office Personnel Association | ** |
| Output and Performance Analyses | ** |
| Objectif Perche Atlantique | ** |
| Office of Program Analysis | ** |
| 7-oxa-13-prostynoic acid | ** |
| Output Pricing Agreement | ** |
| Ontario Paint Association | ** |
| Operator Performance Assessment | ** |
| o-phthalic dicarboxaldehyde | ** |
| Old Putera Association | ** |
| Orthopedic Physician Assistant | ** |
| Office of Post Award | ** |
| Oxford Park Academy | ** |
| Office of Police Accountability | ** |
| Organization of Professional Astrologers | ** |
| Oil and Pipelines Agency | ** |
| Offshore Performance Association | ** |
| Olympic Park Associates | ** |
| Organ Procurement Agencies | ** |
| Organizational Planning Advisors | ** |
| Ottawa Police Association | ** |
| o-Phthalaldehyde-mercaptoethanol | ** |
| Ohio Pharmacy Association | ** |
| Otherwise Protected Areas | ** |
| Ottawa Peace Assembly | ** |
| Oil Producers Association | ** |
| Olympic Peninsula Aquatics | ** |
| One Photon Absorption | ** |
| Onondaga Park Association | ** |
| Optimal Performance Associates | ** |
| Ontario Psychiatric Association | ** |
| Overseas Publishing Associates | ** |
| Office of Public Archaeology | ** |
| Oil Producing Associations | ** |
| Ontario Parcel Alliance | ** |
| Old Paulians Association | ** |
| Older Peoples Associations | ** |
| Ontario Provincial Association | ** |
| Organisation Professionnelles Agricoles | ** |
| Our Public Airwaves | ** |
| Out Patients Appointment | ** |
| Office of Parish Administration | ** |
| Office of Provincial Agriculture | ** |
| Oligonucleotide Pool Assay | ** |
| Organ Projection Areas | ** |
| Orientation Program Assistants | ** |
| Office of Program Articulation | ** |
| Oklahoma Paralegal Association | ** |
| Oral Preventive Assistant | ** |
| Orthogonal Projection Approach | ** |
| Organ Procurement Agency | ** |
| Organisasi Pecinta Alam | ** |
| O Phthalic Acid | ** |
| Operational Partnership Agreements | ** |
| of permaculture and | ** |
| Office of Pool Administration | ** |
| Oil Pollution Abatement | ** |
| Onion Policy Administration | ** |
| Order of Predominance | ** |
| Organisational Performance Agreements | ** |
| Owner Participation Agreements | ** |
| Owners Protecting Agency | ** |
| Ohio Partnership for Accountability | ** |
| Ohio Poultry Association | ** |
| Old Phartes Alliance | ** |
| Optical Parametric Amplier | ** |
| Oregon Preservation Alliance | ** |
| Outcome Purpose Action | ** |
| Online Privacy Agent | ** |
| Organization of Permaculture and Art | ** |
| Organizational Performance Awards | ** |
| Of Professionals Association | ** |
| Office for the Public Advocate | ** |
| Orientation Peer Advisers | ** |
| Outstanding Performance Awards | ** |
| derivatization with o-phthaldialdehyde | * |
| Observations Program Area | * |
| Ocean Park Association | * |
| Onafhankelijke Partij Alkmaar | * |
| Oregon Pilots Association | * |
| Other Peoples Architecture | * |
| Office of Performing Arts | * |
| Online Product Advocate | * |
| Ontario Powerlifting Association | * |
| Open Protocol Architecture | * |
| Oracle Predictive Analytics | * |
| Other Proc Army | * |
| Overview Pac Attribute | * |
| Observation Post Assistant | * |
| Online Personal Access | * |
| Oracle Protocol Adapter | * |
| Office Products of America | * |
| Omladina Preuzima Akciju | * |
| Ontario PsychoGeriatric Association | * |
| Operations Planning Analysis | * |
| Orthopedic Practice Assembly | * |
| Office of Project Administration | * |
| Oil Prevention Act | * |
| Older People ALL | * |
| Operations and Procurement Army | * |
| Ovine Pulmonary Adenomatosis | * |
| Oficina de Planificacion Agricola | * |
| Other Protected Area | * |
| officer program authorizations | * |
| Ontario Paramedic Asociation | * |
| Orbiter Plasma Analyzer | * |
| One Permit Application | * |
| Objections on Permit Applications | * |
| Oceanology Polish Academy | * |
| Office of Permit Assistance | * |
| Office of Policy Administration | * |
| Office of Procurement and Assist | * |
| Office of the Pardon Attorney | * |
| Officer Partner or Agent | * |
| Officer Personnel Act (1947) | * |
| Oficina Para el Acuerdo | * |
| Onitsha Planning Authority | * |
| Operations in the Permit Area | * |
| Organizaci=n del Pueblo en Armas | * |
| Original Permit Acreage | * |
| Original Permit Acres | * |
| Original Progressive Alternative | * |
| Orion Photographic Archive | * |
| Otago Powerlifting Association | * |
| Over Pullman and Associates | * |