Declension table of ?tuviṣvan

Masculine	Singular	Dual	Plural
Nominative	tuviṣvā	tuviṣvāṇau	tuviṣvāṇaḥ
Vocative	tuviṣvan	tuviṣvāṇau	tuviṣvāṇaḥ
Accusative	tuviṣvāṇam	tuviṣvāṇau	tuviṣvaṇaḥ
Instrumental	tuviṣvaṇā	tuviṣvabhyām	tuviṣvabhiḥ
Dative	tuviṣvaṇe	tuviṣvabhyām	tuviṣvabhyaḥ
Ablative	tuviṣvaṇaḥ	tuviṣvabhyām	tuviṣvabhyaḥ
Genitive	tuviṣvaṇaḥ	tuviṣvaṇoḥ	tuviṣvaṇām
Locative	tuviṣvaṇi	tuviṣvaṇoḥ	tuviṣvasu

Compound tuviṣva -

Adverb -tuviṣvam