Declension table of ?siddhadeva

Masculine	Singular	Dual	Plural
Nominative	siddhadevaḥ	siddhadevau	siddhadevāḥ
Vocative	siddhadeva	siddhadevau	siddhadevāḥ
Accusative	siddhadevam	siddhadevau	siddhadevān
Instrumental	siddhadevena	siddhadevābhyām	siddhadevaiḥ siddhadevebhiḥ
Dative	siddhadevāya	siddhadevābhyām	siddhadevebhyaḥ
Ablative	siddhadevāt	siddhadevābhyām	siddhadevebhyaḥ
Genitive	siddhadevasya	siddhadevayoḥ	siddhadevānām
Locative	siddhadeve	siddhadevayoḥ	siddhadeveṣu

Compound siddhadeva -

Adverb -siddhadevam -siddhadevāt