Declension table of ?mahīśvara

Masculine	Singular	Dual	Plural
Nominative	mahīśvaraḥ	mahīśvarau	mahīśvarāḥ
Vocative	mahīśvara	mahīśvarau	mahīśvarāḥ
Accusative	mahīśvaram	mahīśvarau	mahīśvarān
Instrumental	mahīśvareṇa	mahīśvarābhyām	mahīśvaraiḥ mahīśvarebhiḥ
Dative	mahīśvarāya	mahīśvarābhyām	mahīśvarebhyaḥ
Ablative	mahīśvarāt	mahīśvarābhyām	mahīśvarebhyaḥ
Genitive	mahīśvarasya	mahīśvarayoḥ	mahīśvarāṇām
Locative	mahīśvare	mahīśvarayoḥ	mahīśvareṣu

Compound mahīśvara -

Adverb -mahīśvaram -mahīśvarāt