Declension table of ?pratikāṅkṣin

Masculine	Singular	Dual	Plural
Nominative	pratikāṅkṣī	pratikāṅkṣiṇau	pratikāṅkṣiṇaḥ
Vocative	pratikāṅkṣin	pratikāṅkṣiṇau	pratikāṅkṣiṇaḥ
Accusative	pratikāṅkṣiṇam	pratikāṅkṣiṇau	pratikāṅkṣiṇaḥ
Instrumental	pratikāṅkṣiṇā	pratikāṅkṣibhyām	pratikāṅkṣibhiḥ
Dative	pratikāṅkṣiṇe	pratikāṅkṣibhyām	pratikāṅkṣibhyaḥ
Ablative	pratikāṅkṣiṇaḥ	pratikāṅkṣibhyām	pratikāṅkṣibhyaḥ
Genitive	pratikāṅkṣiṇaḥ	pratikāṅkṣiṇoḥ	pratikāṅkṣiṇām
Locative	pratikāṅkṣiṇi	pratikāṅkṣiṇoḥ	pratikāṅkṣiṣu

Compound pratikāṅkṣi -

Adverb -pratikāṅkṣi