Declension table of ?vatsaka

Masculine	Singular	Dual	Plural
Nominative	vatsakaḥ	vatsakau	vatsakāḥ
Vocative	vatsaka	vatsakau	vatsakāḥ
Accusative	vatsakam	vatsakau	vatsakān
Instrumental	vatsakena	vatsakābhyām	vatsakaiḥ vatsakebhiḥ
Dative	vatsakāya	vatsakābhyām	vatsakebhyaḥ
Ablative	vatsakāt	vatsakābhyām	vatsakebhyaḥ
Genitive	vatsakasya	vatsakayoḥ	vatsakānām
Locative	vatsake	vatsakayoḥ	vatsakeṣu

Compound vatsaka -

Adverb -vatsakam -vatsakāt