Declension table of ?śaṅkhapada

Masculine	Singular	Dual	Plural
Nominative	śaṅkhapadaḥ	śaṅkhapadau	śaṅkhapadāḥ
Vocative	śaṅkhapada	śaṅkhapadau	śaṅkhapadāḥ
Accusative	śaṅkhapadam	śaṅkhapadau	śaṅkhapadān
Instrumental	śaṅkhapadena	śaṅkhapadābhyām	śaṅkhapadaiḥ śaṅkhapadebhiḥ
Dative	śaṅkhapadāya	śaṅkhapadābhyām	śaṅkhapadebhyaḥ
Ablative	śaṅkhapadāt	śaṅkhapadābhyām	śaṅkhapadebhyaḥ
Genitive	śaṅkhapadasya	śaṅkhapadayoḥ	śaṅkhapadānām
Locative	śaṅkhapade	śaṅkhapadayoḥ	śaṅkhapadeṣu

Compound śaṅkhapada -

Adverb -śaṅkhapadam -śaṅkhapadāt