| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | antitezo | antitezoj |
| Accusative | antitezon | antitezojn |
| Catalan | antítesi |
|---|---|
| Danish | modsætning |
| Dutch | antithese; tegenstelling |
| English | antithesis |
| French | antithèse |
| German | Antithese; Gegensatz; Gegenstellung; Gegenbehauptung |
| Hungarian | antitézis |
| Icelandic | mótsetning |
| Norwegian | motsetning |
| Papiamento | antitesis |
| Portuguese | antítese |
| Russian | антитеза |
| Saterland Frisian | Antithese; Juunsats; Juunstaalenge |
| Spanish | antítesis |
| Swedish | motsats |