Declension table of sapta

Masculine	Singular	Dual	Plural
Nominative	saptaḥ	saptau	saptāḥ
Vocative	sapta	saptau	saptāḥ
Accusative	saptam	saptau	saptān
Instrumental	saptena	saptābhyām	saptaiḥ saptebhiḥ
Dative	saptāya	saptābhyām	saptebhyaḥ
Ablative	saptāt	saptābhyām	saptebhyaḥ
Genitive	saptasya	saptayoḥ	saptānām
Locative	sapte	saptayoḥ	sapteṣu

Compound sapta -

Adverb -saptam -saptāt