Declension table of ?mantreśvara

Masculine	Singular	Dual	Plural
Nominative	mantreśvaraḥ	mantreśvarau	mantreśvarāḥ
Vocative	mantreśvara	mantreśvarau	mantreśvarāḥ
Accusative	mantreśvaram	mantreśvarau	mantreśvarān
Instrumental	mantreśvareṇa	mantreśvarābhyām	mantreśvaraiḥ mantreśvarebhiḥ
Dative	mantreśvarāya	mantreśvarābhyām	mantreśvarebhyaḥ
Ablative	mantreśvarāt	mantreśvarābhyām	mantreśvarebhyaḥ
Genitive	mantreśvarasya	mantreśvarayoḥ	mantreśvarāṇām
Locative	mantreśvare	mantreśvarayoḥ	mantreśvareṣu

Compound mantreśvara -

Adverb -mantreśvaram -mantreśvarāt