sort by Rank | Alpha
| Possible Meanings | Rank |
| Southern Europe and Central Asia | **** |
| State Energy Conversion Alliance | **** |
| Sea and English Channel | **** |
| Self Employment Contributions Act | **** |
| Suez Energy Central America | *** |
| Single Euro Cash Area | *** |
| State Employee Combined Appeal | *** |
| Self Employment Contribution Act | *** |
| Seams Elimination Cost Adjustment | *** |
| Southern Educational Communications Association | *** |
| Strategic Executive Coaching Alliance | *** |
| Spontaneous eosinophil chemotactic activity | ** |
| Spontaneous eosinophilic chemotactic activity | ** |
| stellate epithelial cell antibodies | ** |
| Stormwater Environmental Compliance Alliance | ** |
| Stock Exchanges Control Act | ** |
| South East Capital Alliance | ** |
| Stellate thymic epithelial cell antibodies | ** |
| Sulfur Emission Control Area | ** |
| Southern End Community Association | ** |
| Small and Emerging CDFI Assistance | ** |
| Saskatchewan Early Childhood Association | ** |
| South East Community Association | ** |
| South Europe and Central Asia | ** |
| Spotsylvania Emergency Concerns Association | ** |
| Singapore Electrical Contractors Association | ** |
| Sulphur Emission Control Areas | ** |
| Shanghai Electronic Commerce Association | ** |
| Soaring Eagles Center for Autism | ** |
| Senior Early Childhood Associates | * |
| Safety Environmental Compliance Associates | * |
| Southern Electrical Contractors Association | * |
| Self Employed Contributions Act | * |
| Showcase for Cultural Assets | * |
| State Energy Convergence Alliance | * |
| Survey of Early Childhood Abilities | * |
| Sewer Equipment Company Australia | * |
| Surface Engineering Coating Association | * |
| Supply and Environmental Coordination Act | * |