Declension table of ?tīkṣṇabuddhi

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇabuddhiḥ	tīkṣṇabuddhī	tīkṣṇabuddhayaḥ
Vocative	tīkṣṇabuddhe	tīkṣṇabuddhī	tīkṣṇabuddhayaḥ
Accusative	tīkṣṇabuddhim	tīkṣṇabuddhī	tīkṣṇabuddhīn
Instrumental	tīkṣṇabuddhinā	tīkṣṇabuddhibhyām	tīkṣṇabuddhibhiḥ
Dative	tīkṣṇabuddhaye	tīkṣṇabuddhibhyām	tīkṣṇabuddhibhyaḥ
Ablative	tīkṣṇabuddheḥ	tīkṣṇabuddhibhyām	tīkṣṇabuddhibhyaḥ
Genitive	tīkṣṇabuddheḥ	tīkṣṇabuddhyoḥ	tīkṣṇabuddhīnām
Locative	tīkṣṇabuddhau	tīkṣṇabuddhyoḥ	tīkṣṇabuddhiṣu

Compound tīkṣṇabuddhi -

Adverb -tīkṣṇabuddhi