| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | demonstro | demonstroj |
| Accusative | demonstron | demonstrojn |
| Czech | demonstrace; důkaz |
|---|---|
| Dutch | bewijs; demonstratie |
| English | demonstration |
| German | Demonstration; Darstellung |
| Low German | bewys |
| Portuguese | demonstração |
| Saterland Frisian | Demonstration |
| Spanish | demostración |