Declension table of ?samunnidra

Masculine	Singular	Dual	Plural
Nominative	samunnidraḥ	samunnidrau	samunnidrāḥ
Vocative	samunnidra	samunnidrau	samunnidrāḥ
Accusative	samunnidram	samunnidrau	samunnidrān
Instrumental	samunnidreṇa	samunnidrābhyām	samunnidraiḥ samunnidrebhiḥ
Dative	samunnidrāya	samunnidrābhyām	samunnidrebhyaḥ
Ablative	samunnidrāt	samunnidrābhyām	samunnidrebhyaḥ
Genitive	samunnidrasya	samunnidrayoḥ	samunnidrāṇām
Locative	samunnidre	samunnidrayoḥ	samunnidreṣu

Compound samunnidra -

Adverb -samunnidram -samunnidrāt