Declension table of ?tīkṣṇarūpin

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇarūpī	tīkṣṇarūpiṇau	tīkṣṇarūpiṇaḥ
Vocative	tīkṣṇarūpin	tīkṣṇarūpiṇau	tīkṣṇarūpiṇaḥ
Accusative	tīkṣṇarūpiṇam	tīkṣṇarūpiṇau	tīkṣṇarūpiṇaḥ
Instrumental	tīkṣṇarūpiṇā	tīkṣṇarūpibhyām	tīkṣṇarūpibhiḥ
Dative	tīkṣṇarūpiṇe	tīkṣṇarūpibhyām	tīkṣṇarūpibhyaḥ
Ablative	tīkṣṇarūpiṇaḥ	tīkṣṇarūpibhyām	tīkṣṇarūpibhyaḥ
Genitive	tīkṣṇarūpiṇaḥ	tīkṣṇarūpiṇoḥ	tīkṣṇarūpiṇām
Locative	tīkṣṇarūpiṇi	tīkṣṇarūpiṇoḥ	tīkṣṇarūpiṣu

Compound tīkṣṇarūpi -

Adverb -tīkṣṇarūpi