Declension table of ?mantramaya

Masculine	Singular	Dual	Plural
Nominative	mantramayaḥ	mantramayau	mantramayāḥ
Vocative	mantramaya	mantramayau	mantramayāḥ
Accusative	mantramayam	mantramayau	mantramayān
Instrumental	mantramayeṇa	mantramayābhyām	mantramayaiḥ mantramayebhiḥ
Dative	mantramayāya	mantramayābhyām	mantramayebhyaḥ
Ablative	mantramayāt	mantramayābhyām	mantramayebhyaḥ
Genitive	mantramayasya	mantramayayoḥ	mantramayāṇām
Locative	mantramaye	mantramayayoḥ	mantramayeṣu

Compound mantramaya -

Adverb -mantramayam -mantramayāt