Declension table of yathārthaka

Masculine	Singular	Dual	Plural
Nominative	yathārthakaḥ	yathārthakau	yathārthakāḥ
Vocative	yathārthaka	yathārthakau	yathārthakāḥ
Accusative	yathārthakam	yathārthakau	yathārthakān
Instrumental	yathārthakena	yathārthakābhyām	yathārthakaiḥ
Dative	yathārthakāya	yathārthakābhyām	yathārthakebhyaḥ
Ablative	yathārthakāt	yathārthakābhyām	yathārthakebhyaḥ
Genitive	yathārthakasya	yathārthakayoḥ	yathārthakānām
Locative	yathārthake	yathārthakayoḥ	yathārthakeṣu

Compound yathārthaka -

Adverb -yathārthakam -yathārthakāt