Declension table of ?rudrahṛdaya

Neuter	Singular	Dual	Plural
Nominative	rudrahṛdayam	rudrahṛdaye	rudrahṛdayāni
Vocative	rudrahṛdaya	rudrahṛdaye	rudrahṛdayāni
Accusative	rudrahṛdayam	rudrahṛdaye	rudrahṛdayāni
Instrumental	rudrahṛdayena	rudrahṛdayābhyām	rudrahṛdayaiḥ
Dative	rudrahṛdayāya	rudrahṛdayābhyām	rudrahṛdayebhyaḥ
Ablative	rudrahṛdayāt	rudrahṛdayābhyām	rudrahṛdayebhyaḥ
Genitive	rudrahṛdayasya	rudrahṛdayayoḥ	rudrahṛdayānām
Locative	rudrahṛdaye	rudrahṛdayayoḥ	rudrahṛdayeṣu

Compound rudrahṛdaya -

Adverb -rudrahṛdayam -rudrahṛdayāt