Declension table of ?saptamātṛ

Masculine	Singular	Dual	Plural
Nominative	saptamātā	saptamātārau	saptamātāraḥ
Vocative	saptamātaḥ	saptamātārau	saptamātāraḥ
Accusative	saptamātāram	saptamātārau	saptamātṝn
Instrumental	saptamātrā	saptamātṛbhyām	saptamātṛbhiḥ
Dative	saptamātre	saptamātṛbhyām	saptamātṛbhyaḥ
Ablative	saptamātuḥ	saptamātṛbhyām	saptamātṛbhyaḥ
Genitive	saptamātuḥ	saptamātroḥ	saptamātṝṇām
Locative	saptamātari	saptamātroḥ	saptamātṛṣu

Compound saptamātṛ -

Adverb -saptamātṛ