Declension table of ?siddhārthaka

Masculine	Singular	Dual	Plural
Nominative	siddhārthakaḥ	siddhārthakau	siddhārthakāḥ
Vocative	siddhārthaka	siddhārthakau	siddhārthakāḥ
Accusative	siddhārthakam	siddhārthakau	siddhārthakān
Instrumental	siddhārthakena	siddhārthakābhyām	siddhārthakaiḥ siddhārthakebhiḥ
Dative	siddhārthakāya	siddhārthakābhyām	siddhārthakebhyaḥ
Ablative	siddhārthakāt	siddhārthakābhyām	siddhārthakebhyaḥ
Genitive	siddhārthakasya	siddhārthakayoḥ	siddhārthakānām
Locative	siddhārthake	siddhārthakayoḥ	siddhārthakeṣu

Compound siddhārthaka -

Adverb -siddhārthakam -siddhārthakāt