Declension table of ?saptatī

Feminine	Singular	Dual	Plural
Nominative	saptatī	saptatyau	saptatyaḥ
Vocative	saptati	saptatyau	saptatyaḥ
Accusative	saptatīm	saptatyau	saptatīḥ
Instrumental	saptatyā	saptatībhyām	saptatībhiḥ
Dative	saptatyai	saptatībhyām	saptatībhyaḥ
Ablative	saptatyāḥ	saptatībhyām	saptatībhyaḥ
Genitive	saptatyāḥ	saptatyoḥ	saptatīnām
Locative	saptatyām	saptatyoḥ	saptatīṣu

Compound saptati - saptatī -

Adverb -saptati