Declension table of ?hṛdruj

Feminine	Singular	Dual	Plural
Nominative	hṛdruk	hṛdrujau	hṛdrujaḥ
Vocative	hṛdruk	hṛdrujau	hṛdrujaḥ
Accusative	hṛdrujam	hṛdrujau	hṛdrujaḥ
Instrumental	hṛdrujā	hṛdrugbhyām	hṛdrugbhiḥ
Dative	hṛdruje	hṛdrugbhyām	hṛdrugbhyaḥ
Ablative	hṛdrujaḥ	hṛdrugbhyām	hṛdrugbhyaḥ
Genitive	hṛdrujaḥ	hṛdrujoḥ	hṛdrujām
Locative	hṛdruji	hṛdrujoḥ	hṛdrukṣu

Compound hṛdruk -

Adverb -hṛdruk