Declension table of ?saptasū

Feminine	Singular	Dual	Plural
Nominative	saptasūḥ	saptasuvau	saptasuvaḥ
Vocative	saptasūḥ saptasu	saptasuvau	saptasuvaḥ
Accusative	saptasuvam	saptasuvau	saptasuvaḥ
Instrumental	saptasuvā	saptasūbhyām	saptasūbhiḥ
Dative	saptasuvai saptasuve	saptasūbhyām	saptasūbhyaḥ
Ablative	saptasuvāḥ saptasuvaḥ	saptasūbhyām	saptasūbhyaḥ
Genitive	saptasuvāḥ saptasuvaḥ	saptasuvoḥ	saptasūnām saptasuvām
Locative	saptasuvi saptasuvām	saptasuvoḥ	saptasūṣu

Compound saptasū -

Adverb -saptasu