Declension table of ?mahopaniṣada

Neuter	Singular	Dual	Plural
Nominative	mahopaniṣadam	mahopaniṣade	mahopaniṣadāni
Vocative	mahopaniṣada	mahopaniṣade	mahopaniṣadāni
Accusative	mahopaniṣadam	mahopaniṣade	mahopaniṣadāni
Instrumental	mahopaniṣadena	mahopaniṣadābhyām	mahopaniṣadaiḥ
Dative	mahopaniṣadāya	mahopaniṣadābhyām	mahopaniṣadebhyaḥ
Ablative	mahopaniṣadāt	mahopaniṣadābhyām	mahopaniṣadebhyaḥ
Genitive	mahopaniṣadasya	mahopaniṣadayoḥ	mahopaniṣadānām
Locative	mahopaniṣade	mahopaniṣadayoḥ	mahopaniṣadeṣu

Compound mahopaniṣada -

Adverb -mahopaniṣadam -mahopaniṣadāt