Declension table of ?samunnidra

Neuter	Singular	Dual	Plural
Nominative	samunnidram	samunnidre	samunnidrāṇi
Vocative	samunnidra	samunnidre	samunnidrāṇi
Accusative	samunnidram	samunnidre	samunnidrāṇi
Instrumental	samunnidreṇa	samunnidrābhyām	samunnidraiḥ
Dative	samunnidrāya	samunnidrābhyām	samunnidrebhyaḥ
Ablative	samunnidrāt	samunnidrābhyām	samunnidrebhyaḥ
Genitive	samunnidrasya	samunnidrayoḥ	samunnidrāṇām
Locative	samunnidre	samunnidrayoḥ	samunnidreṣu

Compound samunnidra -

Adverb -samunnidram -samunnidrāt