| Case | Singular | Plural |
|---|---|---|
| nom | matriarchát | matriarcháty |
| gen | matriarchátu | matriarchátů |
| dat | matriarchátu | matriarchátům |
| acc | matriarchát | matriarcháty |
| voc | matriarcháte | matriarcháty |
| loc | matriarchátě, matriarchátu |
matriarchátech |
| instr | matriarchátem | matriarcháty |