Declension table of ?tīkṣṇaka

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇakaḥ	tīkṣṇakau	tīkṣṇakāḥ
Vocative	tīkṣṇaka	tīkṣṇakau	tīkṣṇakāḥ
Accusative	tīkṣṇakam	tīkṣṇakau	tīkṣṇakān
Instrumental	tīkṣṇakena	tīkṣṇakābhyām	tīkṣṇakaiḥ
Dative	tīkṣṇakāya	tīkṣṇakābhyām	tīkṣṇakebhyaḥ
Ablative	tīkṣṇakāt	tīkṣṇakābhyām	tīkṣṇakebhyaḥ
Genitive	tīkṣṇakasya	tīkṣṇakayoḥ	tīkṣṇakānām
Locative	tīkṣṇake	tīkṣṇakayoḥ	tīkṣṇakeṣu

Compound tīkṣṇaka -

Adverb -tīkṣṇakam -tīkṣṇakāt