Declension table of ?dhravya

Masculine	Singular	Dual	Plural
Nominative	dhravyaḥ	dhravyau	dhravyāḥ
Vocative	dhravya	dhravyau	dhravyāḥ
Accusative	dhravyam	dhravyau	dhravyān
Instrumental	dhravyeṇa	dhravyābhyām	dhravyaiḥ dhravyebhiḥ
Dative	dhravyāya	dhravyābhyām	dhravyebhyaḥ
Ablative	dhravyāt	dhravyābhyām	dhravyebhyaḥ
Genitive	dhravyasya	dhravyayoḥ	dhravyāṇām
Locative	dhravye	dhravyayoḥ	dhravyeṣu

Compound dhravya -

Adverb -dhravyam -dhravyāt