Declension table of ?mahādevamaṇi

Masculine	Singular	Dual	Plural
Nominative	mahādevamaṇiḥ	mahādevamaṇī	mahādevamaṇayaḥ
Vocative	mahādevamaṇe	mahādevamaṇī	mahādevamaṇayaḥ
Accusative	mahādevamaṇim	mahādevamaṇī	mahādevamaṇīn
Instrumental	mahādevamaṇinā	mahādevamaṇibhyām	mahādevamaṇibhiḥ
Dative	mahādevamaṇaye	mahādevamaṇibhyām	mahādevamaṇibhyaḥ
Ablative	mahādevamaṇeḥ	mahādevamaṇibhyām	mahādevamaṇibhyaḥ
Genitive	mahādevamaṇeḥ	mahādevamaṇyoḥ	mahādevamaṇīnām
Locative	mahādevamaṇau	mahādevamaṇyoḥ	mahādevamaṇiṣu

Compound mahādevamaṇi -

Adverb -mahādevamaṇi