Declension table of ?ahṛdaya

Neuter	Singular	Dual	Plural
Nominative	ahṛdayam	ahṛdaye	ahṛdayāni
Vocative	ahṛdaya	ahṛdaye	ahṛdayāni
Accusative	ahṛdayam	ahṛdaye	ahṛdayāni
Instrumental	ahṛdayena	ahṛdayābhyām	ahṛdayaiḥ
Dative	ahṛdayāya	ahṛdayābhyām	ahṛdayebhyaḥ
Ablative	ahṛdayāt	ahṛdayābhyām	ahṛdayebhyaḥ
Genitive	ahṛdayasya	ahṛdayayoḥ	ahṛdayānām
Locative	ahṛdaye	ahṛdayayoḥ	ahṛdayeṣu

Compound ahṛdaya -

Adverb -ahṛdayam -ahṛdayāt