Declension table of ?samutsava

Masculine	Singular	Dual	Plural
Nominative	samutsavaḥ	samutsavau	samutsavāḥ
Vocative	samutsava	samutsavau	samutsavāḥ
Accusative	samutsavam	samutsavau	samutsavān
Instrumental	samutsavena	samutsavābhyām	samutsavaiḥ
Dative	samutsavāya	samutsavābhyām	samutsavebhyaḥ
Ablative	samutsavāt	samutsavābhyām	samutsavebhyaḥ
Genitive	samutsavasya	samutsavayoḥ	samutsavānām
Locative	samutsave	samutsavayoḥ	samutsaveṣu

Compound samutsava -

Adverb -samutsavam -samutsavāt