| 1 | dekoder | nominative case, singular | nominative case, singular |
| 2 | dekodera | genitive case, singular | genitive case, singular |
| 3 | dekoderu | dative case, singular | dative case, singular |
| 4 | dekoder | accusative case, singular | accusative case, singular |
| 5 | dekoderu | singular, vocative case | singular, vocative case |
| 6 | dekoderom | instrumental case, singular | instrumental case, singular |
| 7 | dekoderu | prepositional case, singular | prepositional case, singular |
| 8 | dekoderi | nominative case, plural | nominative case, plural |
| 9 | dekodera | genitive case, plural | genitive case, plural |
| 10 | dekoderima | dative case, plural | dative case, plural |
| 11 | dekodere | accusative case, plural | accusative case, plural |
| 12 | dekoderi | plural, vocative case | plural, vocative case |
| 13 | dekoderima | instrumental case, plural | instrumental case, plural |
| 14 | dekoderima | prepositional case, plural | prepositional case, plural |