Declension table of ?vatsin

Masculine	Singular	Dual	Plural
Nominative	vatsī	vatsinau	vatsinaḥ
Vocative	vatsin	vatsinau	vatsinaḥ
Accusative	vatsinam	vatsinau	vatsinaḥ
Instrumental	vatsinā	vatsibhyām	vatsibhiḥ
Dative	vatsine	vatsibhyām	vatsibhyaḥ
Ablative	vatsinaḥ	vatsibhyām	vatsibhyaḥ
Genitive	vatsinaḥ	vatsinoḥ	vatsinām
Locative	vatsini	vatsinoḥ	vatsiṣu

Compound vatsi -

Adverb -vatsi