Declension table of ?tadarthaka

Masculine	Singular	Dual	Plural
Nominative	tadarthakaḥ	tadarthakau	tadarthakāḥ
Vocative	tadarthaka	tadarthakau	tadarthakāḥ
Accusative	tadarthakam	tadarthakau	tadarthakān
Instrumental	tadarthakena	tadarthakābhyām	tadarthakaiḥ tadarthakebhiḥ
Dative	tadarthakāya	tadarthakābhyām	tadarthakebhyaḥ
Ablative	tadarthakāt	tadarthakābhyām	tadarthakebhyaḥ
Genitive	tadarthakasya	tadarthakayoḥ	tadarthakānām
Locative	tadarthake	tadarthakayoḥ	tadarthakeṣu

Compound tadarthaka -

Adverb -tadarthakam -tadarthakāt