Synonym: arĥaismo
| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | arkaismo | arkaismoj |
| Accusative | arkaismon | arkaismojn |
| Catalan | arcaisme |
|---|---|
| Czech | archaismus |
| Dutch | archaïsme |
| English | archaism |
| French | archaïsme |
| German | Archaismus |
| Hungarian | archaizmus |
| Papiamento | arkaismo |
| Portuguese | arcaísmo |
| Russian | архаизм |
| Saterland Frisian | Archaismus |
| Spanish | arcaísmo |
| West Frisian | argaïsme |