| Subject | English | Thesaurus |
| NGO, abbr. | Detroit Area Pre College Engineering Program | DAPCEP |
| NGO, abbr. | Pre- College Initiative Program | PCIP |
| univer., abbr. | Pre Engineering Program | PEP |
| mil., abbr. | Pre-mobilization Legal Counseling Program | PLCP |
| NYSE., abbr. | Pre- Paid Legal Services, Inc. | PPD |
| abbr., space | Pre-Po | prepositioned |
| abbr., law | Pre-Prosecution Diversion Program | PPDP (slitely_mad) |
| law, abbr. | Pre Trial Services | PTS |
| ed., abbr. | Universal Pre- Kindergarten Program | UPK |
