Declension table of ?hṛdayadīpa

Masculine	Singular	Dual	Plural
Nominative	hṛdayadīpaḥ	hṛdayadīpau	hṛdayadīpāḥ
Vocative	hṛdayadīpa	hṛdayadīpau	hṛdayadīpāḥ
Accusative	hṛdayadīpam	hṛdayadīpau	hṛdayadīpān
Instrumental	hṛdayadīpena	hṛdayadīpābhyām	hṛdayadīpaiḥ hṛdayadīpebhiḥ
Dative	hṛdayadīpāya	hṛdayadīpābhyām	hṛdayadīpebhyaḥ
Ablative	hṛdayadīpāt	hṛdayadīpābhyām	hṛdayadīpebhyaḥ
Genitive	hṛdayadīpasya	hṛdayadīpayoḥ	hṛdayadīpānām
Locative	hṛdayadīpe	hṛdayadīpayoḥ	hṛdayadīpeṣu

Compound hṛdayadīpa -

Adverb -hṛdayadīpam -hṛdayadīpāt