| Type | Lexical items |
| Topic | Primitive terms in native cultures |
| Modifiers | Foreign influences |
| Significance | Cultural heritage preservation • Historical insights |
| Era of decline | Rise of global empires and languages |
| Recovery efforts | Linguistic studies • Cultural revitalization initiatives • Indigenous collaborations |
| Causes of decline | Assimilation • Erosion • Eradication |
| Original speakers | Native cultures |
