| Part of speech | unknown part of speech |
|---|
| Nominative | ateismo |
|---|---|
| Accusative | ateismon |
| Catalan | ateisme |
|---|---|
| Dutch | atheïsme; godloochenarij; godloochening |
| English | atheism |
| French | athéisme |
| German | Atheismus; Gottesleugnung |
| Hungarian | ateizmus; hitetlenség |
| Papiamento | ateismo |
| Portuguese | ateísmo |
| Russian | атеизм |
| Saterland Frisian | Atheismus; Goddeslöägenenge |
| Spanish | ateísmo |
| Swedish | ateism |
| Turkish | dinsizlik |
| West Frisian | ateïsme |