Declension table of ?nirvāṇopaniṣad

Feminine	Singular	Dual	Plural
Nominative	nirvāṇopaniṣat	nirvāṇopaniṣadau	nirvāṇopaniṣadaḥ
Vocative	nirvāṇopaniṣat	nirvāṇopaniṣadau	nirvāṇopaniṣadaḥ
Accusative	nirvāṇopaniṣadam	nirvāṇopaniṣadau	nirvāṇopaniṣadaḥ
Instrumental	nirvāṇopaniṣadā	nirvāṇopaniṣadbhyām	nirvāṇopaniṣadbhiḥ
Dative	nirvāṇopaniṣade	nirvāṇopaniṣadbhyām	nirvāṇopaniṣadbhyaḥ
Ablative	nirvāṇopaniṣadaḥ	nirvāṇopaniṣadbhyām	nirvāṇopaniṣadbhyaḥ
Genitive	nirvāṇopaniṣadaḥ	nirvāṇopaniṣadoḥ	nirvāṇopaniṣadām
Locative	nirvāṇopaniṣadi	nirvāṇopaniṣadoḥ	nirvāṇopaniṣatsu

Compound nirvāṇopaniṣat -

Adverb -nirvāṇopaniṣat