Declension table of ?pratikartṛ

Masculine	Singular	Dual	Plural
Nominative	pratikartā	pratikartārau	pratikartāraḥ
Vocative	pratikartaḥ	pratikartārau	pratikartāraḥ
Accusative	pratikartāram	pratikartārau	pratikartṝn
Instrumental	pratikartrā	pratikartṛbhyām	pratikartṛbhiḥ
Dative	pratikartre	pratikartṛbhyām	pratikartṛbhyaḥ
Ablative	pratikartuḥ	pratikartṛbhyām	pratikartṛbhyaḥ
Genitive	pratikartuḥ	pratikartroḥ	pratikartṝṇām
Locative	pratikartari	pratikartroḥ	pratikartṛṣu

Compound pratikartṛ -

Adverb -pratikartṛ