| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | ekio | ekioj |
| Accusative | ekion | ekiojn |
| Czech | hadinec |
|---|---|
| Dutch | slangekruid |
| Finnish | neidonkieli |
| French | vipérine |
| German | Natternkopf |
| Hungarian | kígyószisz |
| Italian | viperina |
| Polish | żmijowiec |
| Portuguese | borracha‐chimarrona; borragem; equidon |
| Russian | синяк |
| Spanish | viborera; viperina |