Declension table of ?vataṃsa

Masculine	Singular	Dual	Plural
Nominative	vataṃsaḥ	vataṃsau	vataṃsāḥ
Vocative	vataṃsa	vataṃsau	vataṃsāḥ
Accusative	vataṃsam	vataṃsau	vataṃsān
Instrumental	vataṃsena	vataṃsābhyām	vataṃsaiḥ vataṃsebhiḥ
Dative	vataṃsāya	vataṃsābhyām	vataṃsebhyaḥ
Ablative	vataṃsāt	vataṃsābhyām	vataṃsebhyaḥ
Genitive	vataṃsasya	vataṃsayoḥ	vataṃsānām
Locative	vataṃse	vataṃsayoḥ	vataṃseṣu

Compound vataṃsa -

Adverb -vataṃsam -vataṃsāt