Declension table of ?hṛdgada

Masculine	Singular	Dual	Plural
Nominative	hṛdgadaḥ	hṛdgadau	hṛdgadāḥ
Vocative	hṛdgada	hṛdgadau	hṛdgadāḥ
Accusative	hṛdgadam	hṛdgadau	hṛdgadān
Instrumental	hṛdgadena	hṛdgadābhyām	hṛdgadaiḥ hṛdgadebhiḥ
Dative	hṛdgadāya	hṛdgadābhyām	hṛdgadebhyaḥ
Ablative	hṛdgadāt	hṛdgadābhyām	hṛdgadebhyaḥ
Genitive	hṛdgadasya	hṛdgadayoḥ	hṛdgadānām
Locative	hṛdgade	hṛdgadayoḥ	hṛdgadeṣu

Compound hṛdgada -

Adverb -hṛdgadam -hṛdgadāt