Declension table of ?pratiśara

Masculine	Singular	Dual	Plural
Nominative	pratiśaraḥ	pratiśarau	pratiśarāḥ
Vocative	pratiśara	pratiśarau	pratiśarāḥ
Accusative	pratiśaram	pratiśarau	pratiśarān
Instrumental	pratiśareṇa	pratiśarābhyām	pratiśaraiḥ pratiśarebhiḥ
Dative	pratiśarāya	pratiśarābhyām	pratiśarebhyaḥ
Ablative	pratiśarāt	pratiśarābhyām	pratiśarebhyaḥ
Genitive	pratiśarasya	pratiśarayoḥ	pratiśarāṇām
Locative	pratiśare	pratiśarayoḥ	pratiśareṣu

Compound pratiśara -

Adverb -pratiśaram -pratiśarāt