Declension table of ?tīkṣṇeṣu

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇeṣuḥ	tīkṣṇeṣū	tīkṣṇeṣavaḥ
Vocative	tīkṣṇeṣo	tīkṣṇeṣū	tīkṣṇeṣavaḥ
Accusative	tīkṣṇeṣum	tīkṣṇeṣū	tīkṣṇeṣūn
Instrumental	tīkṣṇeṣuṇā	tīkṣṇeṣubhyām	tīkṣṇeṣubhiḥ
Dative	tīkṣṇeṣave	tīkṣṇeṣubhyām	tīkṣṇeṣubhyaḥ
Ablative	tīkṣṇeṣoḥ	tīkṣṇeṣubhyām	tīkṣṇeṣubhyaḥ
Genitive	tīkṣṇeṣoḥ	tīkṣṇeṣvoḥ	tīkṣṇeṣūṇām
Locative	tīkṣṇeṣau	tīkṣṇeṣvoḥ	tīkṣṇeṣuṣu

Compound tīkṣṇeṣu -

Adverb -tīkṣṇeṣu