Declension table of ?hṛdayaja

Masculine	Singular	Dual	Plural
Nominative	hṛdayajaḥ	hṛdayajau	hṛdayajāḥ
Vocative	hṛdayaja	hṛdayajau	hṛdayajāḥ
Accusative	hṛdayajam	hṛdayajau	hṛdayajān
Instrumental	hṛdayajena	hṛdayajābhyām	hṛdayajaiḥ hṛdayajebhiḥ
Dative	hṛdayajāya	hṛdayajābhyām	hṛdayajebhyaḥ
Ablative	hṛdayajāt	hṛdayajābhyām	hṛdayajebhyaḥ
Genitive	hṛdayajasya	hṛdayajayoḥ	hṛdayajānām
Locative	hṛdayaje	hṛdayajayoḥ	hṛdayajeṣu

Compound hṛdayaja -

Adverb -hṛdayajam -hṛdayajāt