Declension table of ?chṛdya

Masculine	Singular	Dual	Plural
Nominative	chṛdyaḥ	chṛdyau	chṛdyāḥ
Vocative	chṛdya	chṛdyau	chṛdyāḥ
Accusative	chṛdyam	chṛdyau	chṛdyān
Instrumental	chṛdyena	chṛdyābhyām	chṛdyaiḥ chṛdyebhiḥ
Dative	chṛdyāya	chṛdyābhyām	chṛdyebhyaḥ
Ablative	chṛdyāt	chṛdyābhyām	chṛdyebhyaḥ
Genitive	chṛdyasya	chṛdyayoḥ	chṛdyānām
Locative	chṛdye	chṛdyayoḥ	chṛdyeṣu

Compound chṛdya -

Adverb -chṛdyam -chṛdyāt