Declension table of ?dvisaptan

Neuter	Singular	Dual	Plural
Nominative	dvisapta	dvisaptnī dvisaptanī	dvisaptāni
Vocative	dvisaptan dvisapta	dvisaptnī dvisaptanī	dvisaptāni
Accusative	dvisapta	dvisaptnī dvisaptanī	dvisaptāni
Instrumental	dvisaptnā	dvisaptabhyām	dvisaptabhiḥ
Dative	dvisaptne	dvisaptabhyām	dvisaptabhyaḥ
Ablative	dvisaptnaḥ	dvisaptabhyām	dvisaptabhyaḥ
Genitive	dvisaptnaḥ	dvisaptnoḥ	dvisaptnām
Locative	dvisaptni dvisaptani	dvisaptnoḥ	dvisaptasu

Compound dvisapta -

Adverb -dvisapta -dvisaptam