Declension table of ?śaṅkavya

Masculine	Singular	Dual	Plural
Nominative	śaṅkavyaḥ	śaṅkavyau	śaṅkavyāḥ
Vocative	śaṅkavya	śaṅkavyau	śaṅkavyāḥ
Accusative	śaṅkavyam	śaṅkavyau	śaṅkavyān
Instrumental	śaṅkavyena	śaṅkavyābhyām	śaṅkavyaiḥ śaṅkavyebhiḥ
Dative	śaṅkavyāya	śaṅkavyābhyām	śaṅkavyebhyaḥ
Ablative	śaṅkavyāt	śaṅkavyābhyām	śaṅkavyebhyaḥ
Genitive	śaṅkavyasya	śaṅkavyayoḥ	śaṅkavyānām
Locative	śaṅkavye	śaṅkavyayoḥ	śaṅkavyeṣu

Compound śaṅkavya -

Adverb -śaṅkavyam -śaṅkavyāt