| Subject | English | Thesaurus |
| abbr., law | C.LF.&W.R. | Cost, insurance, freight and war risk |
| abbr., f.trade. | C.R.M | cash on receipt of merchandise |
| abbr., f.trade. | C.R.M | cash by return mail |
| abbr., med. | C.R.S. | congenital rubella syndrome (Alex_Odeychuk) |
| abbr. | C.R.T | crisis response team (driven) |
| abbr., auto. | D+R C | valve for direct and reverse clutch |
| abbr., f.trade. | f.r. & c.c. | free of riots and civil commotion |
| med. | F.R.C.Path | Fellow of the Royal College of Pathologists (Rive) |
| abbr., f.trade. | f.c.s.r.c.c. | free of capture, seizures, riots and civil commotions |
| abbr., f.trade. | F.R.E.C | fire risk extension clause |
| abbr., law | I.R.C | Internal Revenue Code |
| abbr., law | I.C.O.R | Incremental capital-output ratio |
| abbr., f.trade. | R.C. | revolving credit |
| abbr., auto. | R/C | reverse clutch |
| abbr., textile | R/C | Reclassed by Co, |
| abbr., law | R.F.C.A. | Reconstruction Finance Corporation Act |
| abbr., law | R.S.C. | Rules of the Supreme Court of England and Wales |
| abbr., f.trade. | R.S.W.C. | BRIGHT SIDE (UP) , WITH CARE |
| abbr., f.trade. | S.R.C.C | strikes, riots and civil commotions |
| abbr., busin. | S.R.&.C.C. | strikes, riots and civil commotions |
| abbr., law | S.R.C.C.R. | Strikes, riots and civil commotion risks |
| abbr., law | S.R.C.C.R | strikes, riots and civil commotion risks |
| abbr., law | U.C.R. | Uniform Crime Reports |
| abbr., f.trade. | W.R. & S.R. & C.C. | war risk and strikes, riots, and civil commotion (insurance) |