Declension table of ?mṛduhṛdaya

Neuter	Singular	Dual	Plural
Nominative	mṛduhṛdayam	mṛduhṛdaye	mṛduhṛdayāni
Vocative	mṛduhṛdaya	mṛduhṛdaye	mṛduhṛdayāni
Accusative	mṛduhṛdayam	mṛduhṛdaye	mṛduhṛdayāni
Instrumental	mṛduhṛdayena	mṛduhṛdayābhyām	mṛduhṛdayaiḥ
Dative	mṛduhṛdayāya	mṛduhṛdayābhyām	mṛduhṛdayebhyaḥ
Ablative	mṛduhṛdayāt	mṛduhṛdayābhyām	mṛduhṛdayebhyaḥ
Genitive	mṛduhṛdayasya	mṛduhṛdayayoḥ	mṛduhṛdayānām
Locative	mṛduhṛdaye	mṛduhṛdayayoḥ	mṛduhṛdayeṣu

Compound mṛduhṛdaya -

Adverb -mṛduhṛdayam -mṛduhṛdayāt