| Case | Singular | Plural |
|---|---|---|
| nom | mechanik | mechanici |
| gen | mechanika | mechaniků |
| dat | mechanikovi, mechaniku |
mechanikům |
| acc | mechanika | mechaniky |
| voc | mechaniku | mechanici |
| loc | mechanikovi, mechaniku |
mechanicích |
| instr | mechanikem | mechaniky |