Declension table of ?tādarthika

Neuter	Singular	Dual	Plural
Nominative	tādarthikam	tādarthike	tādarthikāni
Vocative	tādarthika	tādarthike	tādarthikāni
Accusative	tādarthikam	tādarthike	tādarthikāni
Instrumental	tādarthikena	tādarthikābhyām	tādarthikaiḥ
Dative	tādarthikāya	tādarthikābhyām	tādarthikebhyaḥ
Ablative	tādarthikāt	tādarthikābhyām	tādarthikebhyaḥ
Genitive	tādarthikasya	tādarthikayoḥ	tādarthikānām
Locative	tādarthike	tādarthikayoḥ	tādarthikeṣu

Compound tādarthika -

Adverb -tādarthikam -tādarthikāt