Declension table of ?śāṅkavya

Masculine	Singular	Dual	Plural
Nominative	śāṅkavyaḥ	śāṅkavyau	śāṅkavyāḥ
Vocative	śāṅkavya	śāṅkavyau	śāṅkavyāḥ
Accusative	śāṅkavyam	śāṅkavyau	śāṅkavyān
Instrumental	śāṅkavyena	śāṅkavyābhyām	śāṅkavyaiḥ śāṅkavyebhiḥ
Dative	śāṅkavyāya	śāṅkavyābhyām	śāṅkavyebhyaḥ
Ablative	śāṅkavyāt	śāṅkavyābhyām	śāṅkavyebhyaḥ
Genitive	śāṅkavyasya	śāṅkavyayoḥ	śāṅkavyānām
Locative	śāṅkavye	śāṅkavyayoḥ	śāṅkavyeṣu

Compound śāṅkavya -

Adverb -śāṅkavyam -śāṅkavyāt