| Nominative | klient |
| Genitive | klienta |
| Dative | klientowi |
| Accusative | klienta |
| Instrumental | klientem |
| Locative | kliencie |
| Vocative | kliencie |
| Nominative | klienci; klienty |
| Genitive | klientów |
| Dative | klientom |
| Accusative | klientów; klienty |
| Instrumental | klientami |
| Locative | klientach |
| Vocative | klienci; klienty |