Declension table of ?tīkṣṇavaktra

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇavaktraḥ	tīkṣṇavaktrau	tīkṣṇavaktrāḥ
Vocative	tīkṣṇavaktra	tīkṣṇavaktrau	tīkṣṇavaktrāḥ
Accusative	tīkṣṇavaktram	tīkṣṇavaktrau	tīkṣṇavaktrān
Instrumental	tīkṣṇavaktreṇa	tīkṣṇavaktrābhyām	tīkṣṇavaktraiḥ tīkṣṇavaktrebhiḥ
Dative	tīkṣṇavaktrāya	tīkṣṇavaktrābhyām	tīkṣṇavaktrebhyaḥ
Ablative	tīkṣṇavaktrāt	tīkṣṇavaktrābhyām	tīkṣṇavaktrebhyaḥ
Genitive	tīkṣṇavaktrasya	tīkṣṇavaktrayoḥ	tīkṣṇavaktrāṇām
Locative	tīkṣṇavaktre	tīkṣṇavaktrayoḥ	tīkṣṇavaktreṣu

Compound tīkṣṇavaktra -

Adverb -tīkṣṇavaktram -tīkṣṇavaktrāt