| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | ekvacio | ekvacioj |
| Accusative | ekvacion | ekvaciojn |
| Catalan | equació |
|---|---|
| Czech | rovnice |
| Dutch | equatie; vergelijking |
| English | equation |
| Faeroese | líkning |
| French | équation |
| German | Gleichung |
| Low German | vergelyking |
| Portuguese | equação |
| Spanish | ecuación |