| Nominative | falc |
| Genitive | falce |
| Dative | falci |
| Accusative | falc |
| Vocative | falci |
| Locative | falci |
| Instrumental | falcí; falcem |
| Nominative | falce |
| Genitive | falcí; falců |
| Dative | falcím; falcům |
| Accusative | falce |
| Vocative | falce |
| Locative | falcích |
| Instrumental | falcemi; falci |