Declension table of ?siddhārthakārin

Masculine	Singular	Dual	Plural
Nominative	siddhārthakārī	siddhārthakāriṇau	siddhārthakāriṇaḥ
Vocative	siddhārthakārin	siddhārthakāriṇau	siddhārthakāriṇaḥ
Accusative	siddhārthakāriṇam	siddhārthakāriṇau	siddhārthakāriṇaḥ
Instrumental	siddhārthakāriṇā	siddhārthakāribhyām	siddhārthakāribhiḥ
Dative	siddhārthakāriṇe	siddhārthakāribhyām	siddhārthakāribhyaḥ
Ablative	siddhārthakāriṇaḥ	siddhārthakāribhyām	siddhārthakāribhyaḥ
Genitive	siddhārthakāriṇaḥ	siddhārthakāriṇoḥ	siddhārthakāriṇām
Locative	siddhārthakāriṇi	siddhārthakāriṇoḥ	siddhārthakāriṣu

Compound siddhārthakāri -

Adverb -siddhārthakāri