| Nominative | datel |
| Genitive | datla |
| Dative | datlovi; datlu |
| Accusative | datla |
| Vocative | datle |
| Locative | datlovi; datlu |
| Instrumental | datlem |
| Nominative | datli; datlové |
| Genitive | datlů |
| Dative | datlům |
| Accusative | datly |
| Vocative | datli; datlové |
| Locative | datlech |
| Instrumental | datly |