| Case | Singular | Plural |
|---|---|---|
| nom | melancholik | melancholici |
| gen | melancholika | melancholiků |
| dat | melancholikovi, melancholiku |
melancholikům |
| acc | melancholika | melancholiky |
| voc | melancholiku | melancholici |
| loc | melancholikovi, melancholiku |
melancholicích |
| instr | melancholikem | melancholiky |