sort by Rank | Alpha
| Possible Meanings | Rank |
| Comprehensive Health Enhancement Support System | **** |
| Center of Health Equity Studies | *** |
| Center for Hybrid and Embedded Software Systems | *** |
| California Higher Education Student Summit | *** |
| Calvin and Hobbes Extensive Strip Search | *** |
| Center for Higher Education Support Services | *** |
| Centre for Health Economics at STAKES | ** |
| Canadian Hospital Executive Simulation System | ** |
| Cornell High Energy Synchotron Source | ** |
| Centre for Health Service Studies | ** |
| Changing Horizon Efficient Set Search | ** |
| Centocor: HA-1A Efficacy in Septic Shock | ** |
| Community Health Electronic Surveillance System | ** |
| Consortium of Higher Education Support Services | ** |
| Churches Homeless Emergency Support Scheme | ** |
| Coffs Harbour Employment Support Service | ** |
| Colorado Heritage Education School System | ** |
| City Higher Education Seminar Series | ** |
| checklist of evaluation of somatic symptoms | ** |
| Christian Home Educators of Sulphur Springs | ** |
| Center for Hybrid Embedded Software Systems | ** |
| Center for Hybrid and Embedded Systems and Software | ** |
| CHerenkov and Electromagnetic Shower Simulator | ** |
| Children in the Highlands Education Support Service | ** |
| Commonwealth Higher Education Support Scheme | ** |
| Cutler Hammer Engineering Services and Systems | ** |
| Christian Home Educators of Saskatoon and Surrounding | ** |
| Comprehensive Health Enhancement Support Systems | ** |
| Christian Home Educators of Siloam Springs | ** |
| Carolina Health Electronic Surveillance System | ** |
| CEN Horizontal European Service Standardization | * |
| Chemical Health Environmental Safety System | * |
| College Health and Environmental Safety Society | * |
| Chicago Health Event Surveillance System | * |
| Center for High Energy Synchrotron Studies | * |
| Chase and Encirclement Stress Study | * |
| Complete Health Environmental Safety Services | * |
| A mips cruncher for a distributed Concurrent Heterogeneous Simulation System | * |
| Canadian Health Education Specialists Society | * |
| Center for Hybrid and Embedded Software and Systems | * |
| Climate, Hydrochemistry and Economics of Surface water Systems | * |