sort by Rank | Alpha
| Possible Meanings | Rank |
| Cheshire Fire and Rescue Service | **** |
| Code of Federal Regulations | **** |
| Centre for Rail Skills | *** |
| Cambridgeshire Fire Rescue Service | *** |
| Canada France Redshift Survey | *** |
| Canadian Firearms Registration System | *** |
| crevicular fluid rich saliva | ** |
| conditioning function of the respiratory system | ** |
| cyclic blood flow reductions | ** |
| cyclical blood flow reductions | ** |
| Certificated Foreign Repair Station | ** |
| Concert Frame Relay Services | ** |
| Carry Forward in Rolling Settlement | * |
| Centre for Regional Studies | * |
| Child and Family Rehabilitation Services | * |
| Consolidated Fiscal Reporting System | * |
| Canadian Firearms Registry System | * |
| Center for Financial Research and Services | * |
| Center For Remote Sensing | * |
| Caillouet Floating Raceway System | * |
| Correction Factor for Row Spacing | * |