Declension table of ?vivatsu

Neuter	Singular	Dual	Plural
Nominative	vivatsu	vivatsunī	vivatsūni
Vocative	vivatsu	vivatsunī	vivatsūni
Accusative	vivatsu	vivatsunī	vivatsūni
Instrumental	vivatsunā	vivatsubhyām	vivatsubhiḥ
Dative	vivatsune	vivatsubhyām	vivatsubhyaḥ
Ablative	vivatsunaḥ	vivatsubhyām	vivatsubhyaḥ
Genitive	vivatsunaḥ	vivatsunoḥ	vivatsūnām
Locative	vivatsuni	vivatsunoḥ	vivatsuṣu

Compound vivatsu -

Adverb -vivatsu