Declension table of ?saptataya

Masculine	Singular	Dual	Plural
Nominative	saptatayaḥ	saptatayau	saptatayāḥ
Vocative	saptataya	saptatayau	saptatayāḥ
Accusative	saptatayam	saptatayau	saptatayān
Instrumental	saptatayena	saptatayābhyām	saptatayaiḥ saptatayebhiḥ
Dative	saptatayāya	saptatayābhyām	saptatayebhyaḥ
Ablative	saptatayāt	saptatayābhyām	saptatayebhyaḥ
Genitive	saptatayasya	saptatayayoḥ	saptatayānām
Locative	saptataye	saptatayayoḥ	saptatayeṣu

Compound saptataya -

Adverb -saptatayam -saptatayāt