| Singular Nominative | foslongfort |
| Singular Genitive | foslongfoirt |
| Plural Nominative | foslongfoirt |
| Plural Genitive | foslongfort |
| Singular Nominative | an foslongfort |
| Singular Genitive | an fhoslongfoirt |
| Plural Nominative | na foslongfoirt |
| Plural Genitive | na bhfoslongfort |