Declension table of ?tānva

Masculine	Singular	Dual	Plural
Nominative	tānvaḥ	tānvau	tānvāḥ
Vocative	tānva	tānvau	tānvāḥ
Accusative	tānvam	tānvau	tānvān
Instrumental	tānvena	tānvābhyām	tānvaiḥ tānvebhiḥ
Dative	tānvāya	tānvābhyām	tānvebhyaḥ
Ablative	tānvāt	tānvābhyām	tānvebhyaḥ
Genitive	tānvasya	tānvayoḥ	tānvānām
Locative	tānve	tānvayoḥ	tānveṣu

Compound tānva -

Adverb -tānvam -tānvāt