Declension table of ?tveṣya

Masculine	Singular	Dual	Plural
Nominative	tveṣyaḥ	tveṣyau	tveṣyāḥ
Vocative	tveṣya	tveṣyau	tveṣyāḥ
Accusative	tveṣyam	tveṣyau	tveṣyān
Instrumental	tveṣyeṇa	tveṣyābhyām	tveṣyaiḥ tveṣyebhiḥ
Dative	tveṣyāya	tveṣyābhyām	tveṣyebhyaḥ
Ablative	tveṣyāt	tveṣyābhyām	tveṣyebhyaḥ
Genitive	tveṣyasya	tveṣyayoḥ	tveṣyāṇām
Locative	tveṣye	tveṣyayoḥ	tveṣyeṣu

Compound tveṣya -

Adverb -tveṣyam -tveṣyāt