Declension table of ?tīkṣṇāgra

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇāgraḥ	tīkṣṇāgrau	tīkṣṇāgrāḥ
Vocative	tīkṣṇāgra	tīkṣṇāgrau	tīkṣṇāgrāḥ
Accusative	tīkṣṇāgram	tīkṣṇāgrau	tīkṣṇāgrān
Instrumental	tīkṣṇāgreṇa	tīkṣṇāgrābhyām	tīkṣṇāgraiḥ tīkṣṇāgrebhiḥ
Dative	tīkṣṇāgrāya	tīkṣṇāgrābhyām	tīkṣṇāgrebhyaḥ
Ablative	tīkṣṇāgrāt	tīkṣṇāgrābhyām	tīkṣṇāgrebhyaḥ
Genitive	tīkṣṇāgrasya	tīkṣṇāgrayoḥ	tīkṣṇāgrāṇām
Locative	tīkṣṇāgre	tīkṣṇāgrayoḥ	tīkṣṇāgreṣu

Compound tīkṣṇāgra -

Adverb -tīkṣṇāgram -tīkṣṇāgrāt