Declension table of ?tha

Masculine	Singular	Dual	Plural
Nominative	thaḥ	thau	thāḥ
Vocative	tha	thau	thāḥ
Accusative	tham	thau	thān
Instrumental	thena	thābhyām	thaiḥ thebhiḥ
Dative	thāya	thābhyām	thebhyaḥ
Ablative	thāt	thābhyām	thebhyaḥ
Genitive	thasya	thayoḥ	thānām
Locative	the	thayoḥ	theṣu

Compound tha -

Adverb -tham -thāt