sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Complete Open Source Solutions | **** |
| Central Office Switching System | *** |
| Centre for Open Source Software | *** |
| Committee on Safe Seas | *** |
| City of Shreveport S | *** |
| College of Social Sciences | *** |
| Common Object Services Specifications | *** |
| Council on Social Services | *** |
| Council of Social Services | *** |
| Cost of Service Studies | *** |
| Common Object Service Specification | *** |
| Council of Social Sciences | *** |
| Canadian Organization of Sikh Students | ** |
| Committee on Sporting Singapore | ** |
| Common Open Software Systems | ** |
| conditional-on-a-single-stimulus | ** |
| Continuous Ordered Scenery Streaming | ** |
| Country Operational Strategy Study | ** |
| Centre for Open Source Solutions | ** |
| Colony Outreach Support Service | ** |
| Chemical Odor Sensitivity Scale | ** |
| Cost of Social Security | ** |
| Community Outreach and Support Service | ** |
| Compass of Shame Scale | ** |
| City of Sandy Springs | ** |
| Cobalt Open Sales System | ** |
| College of Somatic Studies | ** |
| Council of Osteopathic Specialty Societies | ** |
| Council of Spine Societies | ** |
| Council of Special Services | ** |
| Cyclic Object Storage System | ** |
| Cooperativa Organizzazione Servizi Sociali | ** |
| Coastal Oil Spill Simulation | ** |
| Coalition of Silicone Survivors | ** |
| Compressor Operation and Service Seminar | ** |
| Controllers of Site Safety | ** |
| Computerized Operator Support Systems | ** |
| Collaborative Online Support System | ** |
| Computerized Operating System Software | ** |
| Certified Occupational Safety Specialists | ** |
| College of Survival Studies | ** |
| Council on Student Services | ** |
| Center for Optical Sensors and Spectroscopies | ** |
| Claims Office Support System | ** |
| Corpus of Speech Synthesis | ** |
| Committee on Staff Salaries | * |
| Center Operations Support Services | * |
| Cross Operating System Service | * |
| Computerised Operation Support Systems | * |
| Christian Open Source Software | * |
| Common Object Support Services | * |
| Cost of Services Study | * |
| Country Operational Strategy Studies | * |
| Coke Oven Sydney Steel | * |
| Combat Operations Supply Support | * |
| Committee On Spatial Standards | * |
| Computer Oriented Simulation System | * |