Declension table of ?hṛdayajña

Neuter	Singular	Dual	Plural
Nominative	hṛdayajñam	hṛdayajñe	hṛdayajñāni
Vocative	hṛdayajña	hṛdayajñe	hṛdayajñāni
Accusative	hṛdayajñam	hṛdayajñe	hṛdayajñāni
Instrumental	hṛdayajñena	hṛdayajñābhyām	hṛdayajñaiḥ
Dative	hṛdayajñāya	hṛdayajñābhyām	hṛdayajñebhyaḥ
Ablative	hṛdayajñāt	hṛdayajñābhyām	hṛdayajñebhyaḥ
Genitive	hṛdayajñasya	hṛdayajñayoḥ	hṛdayajñānām
Locative	hṛdayajñe	hṛdayajñayoḥ	hṛdayajñeṣu

Compound hṛdayajña -

Adverb -hṛdayajñam -hṛdayajñāt