| Case | Singular | Plural |
|---|---|---|
| nom | relativista | relativisté, relativisti |
| gen | relativisty | relativistů |
| dat | relativistovi | relativistům |
| acc | relativistu | relativisty |
| voc | relativisto | relativisté, relativisti |
| loc | relativistovi | relativistech |
| instr | relativistou | relativisty |