| Nominative | kozel |
| Genitive | kozla |
| Dative | kozlovi; kozlu |
| Accusative | kozla |
| Vocative | kozle |
| Locative | kozlovi; kozlu |
| Instrumental | kozlem |
| Nominative | kozli; kozlové |
| Genitive | kozlů |
| Dative | kozlům |
| Accusative | kozly |
| Vocative | kozli; kozlové |
| Locative | kozlech |
| Instrumental | kozly |