| 1 | tučnjava | nominative case, singular | nominative case, singular |
| 2 | tučnjave | genitive case, singular | genitive case, singular |
| 3 | tučnjavi | dative case, singular | dative case, singular |
| 4 | tučnjavu | accusative case, singular | accusative case, singular |
| 5 | tučnjavo | singular, vocative case | singular, vocative case |
| 6 | tučnjavom | instrumental case, singular | instrumental case, singular |
| 7 | tučnjavi | prepositional case, singular | prepositional case, singular |
| 8 | tučnjave | nominative case, plural | nominative case, plural |
| 9 | tučnjava | genitive case, plural | genitive case, plural |
| 10 | tučnjavama | dative case, plural | dative case, plural |
| 11 | tučnjave | accusative case, plural | accusative case, plural |
| 12 | tučnjave | plural, vocative case | plural, vocative case |
| 13 | tučnjavama | instrumental case, plural | instrumental case, plural |
| 14 | tučnjavama | prepositional case, plural | prepositional case, plural |