Declension table of ?saptathī

Feminine	Singular	Dual	Plural
Nominative	saptathī	saptathyau	saptathyaḥ
Vocative	saptathi	saptathyau	saptathyaḥ
Accusative	saptathīm	saptathyau	saptathīḥ
Instrumental	saptathyā	saptathībhyām	saptathībhiḥ
Dative	saptathyai	saptathībhyām	saptathībhyaḥ
Ablative	saptathyāḥ	saptathībhyām	saptathībhyaḥ
Genitive	saptathyāḥ	saptathyoḥ	saptathīnām
Locative	saptathyām	saptathyoḥ	saptathīṣu

Compound saptathi - saptathī -

Adverb -saptathi