Declension table of ?dvisaptan

Masculine	Singular	Dual	Plural
Nominative	dvisaptā	dvisaptānau	dvisaptānaḥ
Vocative	dvisaptan	dvisaptānau	dvisaptānaḥ
Accusative	dvisaptānam	dvisaptānau	dvisaptnaḥ
Instrumental	dvisaptnā	dvisaptabhyām	dvisaptabhiḥ
Dative	dvisaptne	dvisaptabhyām	dvisaptabhyaḥ
Ablative	dvisaptnaḥ	dvisaptabhyām	dvisaptabhyaḥ
Genitive	dvisaptnaḥ	dvisaptnoḥ	dvisaptnām
Locative	dvisaptni dvisaptani	dvisaptnoḥ	dvisaptasu

Compound dvisapta -

Adverb -dvisaptam