Declension table of ?pratisvara

Masculine	Singular	Dual	Plural
Nominative	pratisvaraḥ	pratisvarau	pratisvarāḥ
Vocative	pratisvara	pratisvarau	pratisvarāḥ
Accusative	pratisvaram	pratisvarau	pratisvarān
Instrumental	pratisvareṇa	pratisvarābhyām	pratisvaraiḥ pratisvarebhiḥ
Dative	pratisvarāya	pratisvarābhyām	pratisvarebhyaḥ
Ablative	pratisvarāt	pratisvarābhyām	pratisvarebhyaḥ
Genitive	pratisvarasya	pratisvarayoḥ	pratisvarāṇām
Locative	pratisvare	pratisvarayoḥ	pratisvareṣu

Compound pratisvara -

Adverb -pratisvaram -pratisvarāt