Declension table of ?hṛdayāgra

Masculine	Singular	Dual	Plural
Nominative	hṛdayāgraḥ	hṛdayāgrau	hṛdayāgrāḥ
Vocative	hṛdayāgra	hṛdayāgrau	hṛdayāgrāḥ
Accusative	hṛdayāgram	hṛdayāgrau	hṛdayāgrān
Instrumental	hṛdayāgreṇa	hṛdayāgrābhyām	hṛdayāgraiḥ hṛdayāgrebhiḥ
Dative	hṛdayāgrāya	hṛdayāgrābhyām	hṛdayāgrebhyaḥ
Ablative	hṛdayāgrāt	hṛdayāgrābhyām	hṛdayāgrebhyaḥ
Genitive	hṛdayāgrasya	hṛdayāgrayoḥ	hṛdayāgrāṇām
Locative	hṛdayāgre	hṛdayāgrayoḥ	hṛdayāgreṣu

Compound hṛdayāgra -

Adverb -hṛdayāgram -hṛdayāgrāt