Declension table of ?samudraga

Masculine	Singular	Dual	Plural
Nominative	samudragaḥ	samudragau	samudragāḥ
Vocative	samudraga	samudragau	samudragāḥ
Accusative	samudragam	samudragau	samudragān
Instrumental	samudrageṇa	samudragābhyām	samudragaiḥ samudragebhiḥ
Dative	samudragāya	samudragābhyām	samudragebhyaḥ
Ablative	samudragāt	samudragābhyām	samudragebhyaḥ
Genitive	samudragasya	samudragayoḥ	samudragāṇām
Locative	samudrage	samudragayoḥ	samudrageṣu

Compound samudraga -

Adverb -samudragam -samudragāt