| Part of speech | common noun |
|---|---|
| Hyphenation | skep·tik·ul·o |
| Singular | Plural | |
|---|---|---|
| Nominative | skeptikulo | skeptikuloj |
| Accusative | skeptikulon | skeptikulojn |
| Catalan | escèptic |
|---|---|
| Dutch | scepticus |
| English | sceptic |
| German | Skeptiker |
| Portuguese | céptico |
| Saterland Frisian | Skeptiker |