| RootOfTreeOfWords | root | 2012 | Branchable | 0 | Contains | 0 |
| 교육 | cella | 2011 | Branchable | 0 | Contains | 0 |
| education | cella | 2013 | Branchable | 0 | 11747 |
| coursera | cella | 2013 | Branchable | 0 | Contains | 0 |
| gabe | cella | 2005 | Branchable | 0 | Contains | 0 |
| khan academy | cella | 2013 | Branchable | 0 | Contains | 0 |
| Re-imagining school (of Ted.com) | cella | 2013 | Branchable | 0 | Contains | 0 |
| 교육 | cella | 2011 | Branchable | 0 | Contains | 0 |