Declension table of ?hradavya

Neuter	Singular	Dual	Plural
Nominative	hradavyam	hradavye	hradavyāni
Vocative	hradavya	hradavye	hradavyāni
Accusative	hradavyam	hradavye	hradavyāni
Instrumental	hradavyena	hradavyābhyām	hradavyaiḥ
Dative	hradavyāya	hradavyābhyām	hradavyebhyaḥ
Ablative	hradavyāt	hradavyābhyām	hradavyebhyaḥ
Genitive	hradavyasya	hradavyayoḥ	hradavyānām
Locative	hradavye	hradavyayoḥ	hradavyeṣu

Compound hradavya -

Adverb -hradavyam -hradavyāt