| Part of speech | unknown part of speech |
|---|
| Nominative | kaŭĉuko |
|---|---|
| Accusative | kaŭĉukon |
| Catalan | cautxú |
|---|---|
| Danish | gummi |
| Dutch | caoutchouc; elastiek; gummi; rubber |
| English | rubber |
| Faeroese | gummi |
| French | caoutchouc |
| German | Gummi; Kautschuk |
| Hungarian | gumi |
| Italian | gomma |
| Norwegian | gummi |
| Papiamento | rùber |
| Portuguese | borracha; cautchu; goma elástica |
| Saterland Frisian | Gummi; Kautschuck |
| Spanish | caucho |
| Swedish | gummi; kautschuk |
| Thai | ยาง |
| Turkish | kauçuk |