Declension table of ?tīkṣṇapattra

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇapattraḥ	tīkṣṇapattrau	tīkṣṇapattrāḥ
Vocative	tīkṣṇapattra	tīkṣṇapattrau	tīkṣṇapattrāḥ
Accusative	tīkṣṇapattram	tīkṣṇapattrau	tīkṣṇapattrān
Instrumental	tīkṣṇapattreṇa	tīkṣṇapattrābhyām	tīkṣṇapattraiḥ tīkṣṇapattrebhiḥ
Dative	tīkṣṇapattrāya	tīkṣṇapattrābhyām	tīkṣṇapattrebhyaḥ
Ablative	tīkṣṇapattrāt	tīkṣṇapattrābhyām	tīkṣṇapattrebhyaḥ
Genitive	tīkṣṇapattrasya	tīkṣṇapattrayoḥ	tīkṣṇapattrāṇām
Locative	tīkṣṇapattre	tīkṣṇapattrayoḥ	tīkṣṇapattreṣu

Compound tīkṣṇapattra -

Adverb -tīkṣṇapattram -tīkṣṇapattrāt