Declension table of ?saptakī

Feminine	Singular	Dual	Plural
Nominative	saptakī	saptakyau	saptakyaḥ
Vocative	saptaki	saptakyau	saptakyaḥ
Accusative	saptakīm	saptakyau	saptakīḥ
Instrumental	saptakyā	saptakībhyām	saptakībhiḥ
Dative	saptakyai	saptakībhyām	saptakībhyaḥ
Ablative	saptakyāḥ	saptakībhyām	saptakībhyaḥ
Genitive	saptakyāḥ	saptakyoḥ	saptakīnām
Locative	saptakyām	saptakyoḥ	saptakīṣu

Compound saptaki - saptakī -

Adverb -saptaki