Declension table of ?śaṅkhākhya

Masculine	Singular	Dual	Plural
Nominative	śaṅkhākhyaḥ	śaṅkhākhyau	śaṅkhākhyāḥ
Vocative	śaṅkhākhya	śaṅkhākhyau	śaṅkhākhyāḥ
Accusative	śaṅkhākhyam	śaṅkhākhyau	śaṅkhākhyān
Instrumental	śaṅkhākhyena	śaṅkhākhyābhyām	śaṅkhākhyaiḥ śaṅkhākhyebhiḥ
Dative	śaṅkhākhyāya	śaṅkhākhyābhyām	śaṅkhākhyebhyaḥ
Ablative	śaṅkhākhyāt	śaṅkhākhyābhyām	śaṅkhākhyebhyaḥ
Genitive	śaṅkhākhyasya	śaṅkhākhyayoḥ	śaṅkhākhyānām
Locative	śaṅkhākhye	śaṅkhākhyayoḥ	śaṅkhākhyeṣu

Compound śaṅkhākhya -

Adverb -śaṅkhākhyam -śaṅkhākhyāt