| Subject | English | Thesaurus |
| abbr., law | A.P.C. | Alien Property Custodian |
| abbr., f.trade. | B.P.C. | British Pharmaceutical Codex |
| abbr., f.trade. | C.C.P. | circle circular pitch |
| abbr., f.trade. | C.D.P | circumferential diametral pitch |
| abbr., law | CJ.C.P. | Chief justice of the Common Pleas |
| abbr., law | C.J.C.P. | Chief justice of the common pleas |
| abbr., textile | C/P | contact price |
| abbr., textile | C&P | coat and pants |
| tradem., abbr. | Mark B. Stumer & Associates, P. C. | MBSA |
| abbr., f.trade. | N.C.P. | normal circular pitch |
| abbr., insur. | P O.C. | port of call |
| abbr., insur. | p.c | per centum |
| abbr., textile | P-C | a blended fabric of polyester and cotton fibers |
| abbr., f.trade. | p.c. | per-cent |
| abbr., law | P.C. | privy councilor |
| abbr., law | P.C | price current |
| abbr., jewl. | p.c. | per-carat |
| abbr., f.trade. | P.C.B. | printed-circuit-board |
| abbr., law | P.U.C. | public utility commission |
| abbr. | round C/P | Round charter party |