Declension table of ?tūṇya

Masculine	Singular	Dual	Plural
Nominative	tūṇyaḥ	tūṇyau	tūṇyāḥ
Vocative	tūṇya	tūṇyau	tūṇyāḥ
Accusative	tūṇyam	tūṇyau	tūṇyān
Instrumental	tūṇyena	tūṇyābhyām	tūṇyaiḥ tūṇyebhiḥ
Dative	tūṇyāya	tūṇyābhyām	tūṇyebhyaḥ
Ablative	tūṇyāt	tūṇyābhyām	tūṇyebhyaḥ
Genitive	tūṇyasya	tūṇyayoḥ	tūṇyānām
Locative	tūṇye	tūṇyayoḥ	tūṇyeṣu

Compound tūṇya -

Adverb -tūṇyam -tūṇyāt