sort by Rank | Alpha
| Possible Meanings | Rank |
| Engaging in Organized Criminal Activity | **** |
| early onset cerebellar ataxias | ** |
| Early Onset Cerebellar Ataxia with retained tendon reflexes | ** |
| early onset spinocerebellar ataxia | ** |
| Early Onset Cerebellar Ataxia | ** |
| East Oxford Community Association | ** |
| Eastern Ontario Chess Association | ** |
| Early Onset Cerebellaire Ataxie | ** |
| Electro Optical Computer Architecture | * |
| Early and Ongoing Collaboration and Assistance | * |
| Early Ongoing Collaboration and Assistance | * |
| European Organization for Conformity Assessment | * |
| Evaluation of Central Administrators | * |