| Part of speech | adjective |
|---|---|
| Hyphenation | psi·ko·lo·gi·a |
| Singular | Plural | |
|---|---|---|
| Nominative | psikologia | psikologiaj |
| Accusative | psikologian | psikologiajn |
| Dutch | psychologisch; zielkundig |
|---|---|
| English | psychological |
| French | psychologique |
| Portuguese | psicológico |
| Spanish | psicológico |
| West Frisian | psychologysk |