| Part of speech | common noun |
|---|---|
| Hyphenation | e·fik·o |
| Singular | Plural | |
|---|---|---|
| Nominative | efiko | efikoj |
| Accusative | efikon | efikojn |
| Afrikaans | impak |
|---|---|
| Danish | effekt |
| Dutch | effect; uitwerking; werking; impact |
| English | effect; impact; action |
| German | Wirksamkeit; Wirkung |
| Polish | efekt |
| Portuguese | acção; efeito; resultado |
| Russian | эффект |
| Saterland Frisian | Wierksoamkaid |
| Spanish | efecto |
| Swedish | effekt |
| West Frisian | effekt |