Declension table of ?hṛdyatama

Masculine	Singular	Dual	Plural
Nominative	hṛdyatamaḥ	hṛdyatamau	hṛdyatamāḥ
Vocative	hṛdyatama	hṛdyatamau	hṛdyatamāḥ
Accusative	hṛdyatamam	hṛdyatamau	hṛdyatamān
Instrumental	hṛdyatamena	hṛdyatamābhyām	hṛdyatamaiḥ hṛdyatamebhiḥ
Dative	hṛdyatamāya	hṛdyatamābhyām	hṛdyatamebhyaḥ
Ablative	hṛdyatamāt	hṛdyatamābhyām	hṛdyatamebhyaḥ
Genitive	hṛdyatamasya	hṛdyatamayoḥ	hṛdyatamānām
Locative	hṛdyatame	hṛdyatamayoḥ	hṛdyatameṣu

Compound hṛdyatama -

Adverb -hṛdyatamam -hṛdyatamāt