Declension table of ?tvaṣṭi

Feminine	Singular	Dual	Plural
Nominative	tvaṣṭiḥ	tvaṣṭī	tvaṣṭayaḥ
Vocative	tvaṣṭe	tvaṣṭī	tvaṣṭayaḥ
Accusative	tvaṣṭim	tvaṣṭī	tvaṣṭīḥ
Instrumental	tvaṣṭyā	tvaṣṭibhyām	tvaṣṭibhiḥ
Dative	tvaṣṭyai tvaṣṭaye	tvaṣṭibhyām	tvaṣṭibhyaḥ
Ablative	tvaṣṭyāḥ tvaṣṭeḥ	tvaṣṭibhyām	tvaṣṭibhyaḥ
Genitive	tvaṣṭyāḥ tvaṣṭeḥ	tvaṣṭyoḥ	tvaṣṭīnām
Locative	tvaṣṭyām tvaṣṭau	tvaṣṭyoḥ	tvaṣṭiṣu

Compound tvaṣṭi -

Adverb -tvaṣṭi