| Part of speech | common noun |
|---|---|
| Hyphenation | he·rez·o |
| Singular | Plural | |
|---|---|---|
| Nominative | herezo | herezoj |
| Accusative | herezon | herezojn |
| Catalan | heretgia |
|---|---|
| Czech | kacířství |
| Dutch | heresie; ketterij |
| English | heresy |
| Faeroese | falslæra |
| French | hérésie |
| German | Häresie; Ketzerei; Irrlehre |
| Greek | αίρεση |
| Portuguese | heresia |
| Saterland Frisian | Dweelleere; Häresie; Kätseräi |
| Spanish | herejía |
| Swedish | kätteri |