sort by Rank | Alpha
| Possible Meanings | Rank |
| Publicly Available Personal Information | **** |
| Precision Approach Path Indicators | *** |
| Public Access Points to the Internet | *** |
| Performance Application Programming Interface | *** |
| Palo Alto Products International | *** |
| Plein Air Painters of Idaho | *** |
| Paper and Pencil Interviewing | *** |
| Paper and Pencil Interviews | *** |
| Performing Arts Programs Inc | *** |
| Personality and Preference Inventory | *** |
| paper and pencil interview | *** |
| Point of Access to Providers of Information | ** |
| potato aspartate protease inhibitor | ** |
| probable amylase/protease inhibitor | ** |
| Professional Association of Private Investigators | ** |
| Publishers Association of the Philippines Inc | ** |
| pen-and-paper self-completion interview | ** |
| Process Application Programming Interface | ** |
| Print Application Programming Interface | ** |
| Psychological Assessment Psychological Intervention | ** |
| Public and Private Institute | ** |
| Public Action and Private Investment | ** |
| Paper Assisted Personal Interview | ** |
| Performance Application Program Interface | ** |
| PDK Airport Planning Inc | ** |
| Performing Arts Philippines Inc | ** |
| Precision Approach Path Indication | ** |
| Planning Application Programming Interface | ** |
| Pan African Parliamentary Interoperability | * |
| Performance Aftermarket Publications Inc | * |
| Precision Approach Position Indicator | * |
| Position Approach Path Indicator | * |
| precision approch path indicator | * |
| Public and Privat Information | * |
| Phonemic Awareness and Phonics Inventory | * |
| Pencil and Paper Interview | * |
| Pan Asian Publications Incorporated | * |
| Principles of Aerospace Physiology Instruction | * |