Declension table of ?samārthaka

Masculine	Singular	Dual	Plural
Nominative	samārthakaḥ	samārthakau	samārthakāḥ
Vocative	samārthaka	samārthakau	samārthakāḥ
Accusative	samārthakam	samārthakau	samārthakān
Instrumental	samārthakena	samārthakābhyām	samārthakaiḥ samārthakebhiḥ
Dative	samārthakāya	samārthakābhyām	samārthakebhyaḥ
Ablative	samārthakāt	samārthakābhyām	samārthakebhyaḥ
Genitive	samārthakasya	samārthakayoḥ	samārthakānām
Locative	samārthake	samārthakayoḥ	samārthakeṣu

Compound samārthaka -

Adverb -samārthakam -samārthakāt