Declension table of ?śaṅkhamitra

Masculine	Singular	Dual	Plural
Nominative	śaṅkhamitraḥ	śaṅkhamitrau	śaṅkhamitrāḥ
Vocative	śaṅkhamitra	śaṅkhamitrau	śaṅkhamitrāḥ
Accusative	śaṅkhamitram	śaṅkhamitrau	śaṅkhamitrān
Instrumental	śaṅkhamitreṇa	śaṅkhamitrābhyām	śaṅkhamitraiḥ śaṅkhamitrebhiḥ
Dative	śaṅkhamitrāya	śaṅkhamitrābhyām	śaṅkhamitrebhyaḥ
Ablative	śaṅkhamitrāt	śaṅkhamitrābhyām	śaṅkhamitrebhyaḥ
Genitive	śaṅkhamitrasya	śaṅkhamitrayoḥ	śaṅkhamitrāṇām
Locative	śaṅkhamitre	śaṅkhamitrayoḥ	śaṅkhamitreṣu

Compound śaṅkhamitra -

Adverb -śaṅkhamitram -śaṅkhamitrāt