Declension table of ?siddhāgama

Masculine	Singular	Dual	Plural
Nominative	siddhāgamaḥ	siddhāgamau	siddhāgamāḥ
Vocative	siddhāgama	siddhāgamau	siddhāgamāḥ
Accusative	siddhāgamam	siddhāgamau	siddhāgamān
Instrumental	siddhāgamena	siddhāgamābhyām	siddhāgamaiḥ siddhāgamebhiḥ
Dative	siddhāgamāya	siddhāgamābhyām	siddhāgamebhyaḥ
Ablative	siddhāgamāt	siddhāgamābhyām	siddhāgamebhyaḥ
Genitive	siddhāgamasya	siddhāgamayoḥ	siddhāgamānām
Locative	siddhāgame	siddhāgamayoḥ	siddhāgameṣu

Compound siddhāgama -

Adverb -siddhāgamam -siddhāgamāt