| Case | Singular | Plural |
|---|---|---|
| nom | kosmopolita | kosmopolité, kosmopoliti |
| gen | kosmopolity | kosmopolitů |
| dat | kosmopolitovi | kosmopolitům |
| acc | kosmopolitu | kosmopolity |
| voc | kosmopolito | kosmopolité, kosmopoliti |
| loc | kosmopolitovi | kosmopolitech |
| instr | kosmopolitou | kosmopolity |