Declension table of ?hareśvara

Masculine	Singular	Dual	Plural
Nominative	hareśvaraḥ	hareśvarau	hareśvarāḥ
Vocative	hareśvara	hareśvarau	hareśvarāḥ
Accusative	hareśvaram	hareśvarau	hareśvarān
Instrumental	hareśvareṇa	hareśvarābhyām	hareśvaraiḥ hareśvarebhiḥ
Dative	hareśvarāya	hareśvarābhyām	hareśvarebhyaḥ
Ablative	hareśvarāt	hareśvarābhyām	hareśvarebhyaḥ
Genitive	hareśvarasya	hareśvarayoḥ	hareśvarāṇām
Locative	hareśvare	hareśvarayoḥ	hareśvareṣu

Compound hareśvara -

Adverb -hareśvaram -hareśvarāt