Declension table of ?tvaṣṭavat

Masculine	Singular	Dual	Plural
Nominative	tvaṣṭavān	tvaṣṭavantau	tvaṣṭavantaḥ
Vocative	tvaṣṭavan	tvaṣṭavantau	tvaṣṭavantaḥ
Accusative	tvaṣṭavantam	tvaṣṭavantau	tvaṣṭavataḥ
Instrumental	tvaṣṭavatā	tvaṣṭavadbhyām	tvaṣṭavadbhiḥ
Dative	tvaṣṭavate	tvaṣṭavadbhyām	tvaṣṭavadbhyaḥ
Ablative	tvaṣṭavataḥ	tvaṣṭavadbhyām	tvaṣṭavadbhyaḥ
Genitive	tvaṣṭavataḥ	tvaṣṭavatoḥ	tvaṣṭavatām
Locative	tvaṣṭavati	tvaṣṭavatoḥ	tvaṣṭavatsu

Compound tvaṣṭavat -

Adverb -tvaṣṭavantam