Declension table of ?pratipakṣin

Masculine	Singular	Dual	Plural
Nominative	pratipakṣī	pratipakṣiṇau	pratipakṣiṇaḥ
Vocative	pratipakṣin	pratipakṣiṇau	pratipakṣiṇaḥ
Accusative	pratipakṣiṇam	pratipakṣiṇau	pratipakṣiṇaḥ
Instrumental	pratipakṣiṇā	pratipakṣibhyām	pratipakṣibhiḥ
Dative	pratipakṣiṇe	pratipakṣibhyām	pratipakṣibhyaḥ
Ablative	pratipakṣiṇaḥ	pratipakṣibhyām	pratipakṣibhyaḥ
Genitive	pratipakṣiṇaḥ	pratipakṣiṇoḥ	pratipakṣiṇām
Locative	pratipakṣiṇi	pratipakṣiṇoḥ	pratipakṣiṣu

Compound pratipakṣi -

Adverb -pratipakṣi