Declension table of ?pratikara

Masculine	Singular	Dual	Plural
Nominative	pratikaraḥ	pratikarau	pratikarāḥ
Vocative	pratikara	pratikarau	pratikarāḥ
Accusative	pratikaram	pratikarau	pratikarān
Instrumental	pratikareṇa	pratikarābhyām	pratikaraiḥ
Dative	pratikarāya	pratikarābhyām	pratikarebhyaḥ
Ablative	pratikarāt	pratikarābhyām	pratikarebhyaḥ
Genitive	pratikarasya	pratikarayoḥ	pratikarāṇām
Locative	pratikare	pratikarayoḥ	pratikareṣu

Compound pratikara -

Adverb -pratikaram -pratikarāt