Declension table of ?tīkṣṇopāya

Masculine	Singular	Dual	Plural
Nominative	tīkṣṇopāyaḥ	tīkṣṇopāyau	tīkṣṇopāyāḥ
Vocative	tīkṣṇopāya	tīkṣṇopāyau	tīkṣṇopāyāḥ
Accusative	tīkṣṇopāyam	tīkṣṇopāyau	tīkṣṇopāyān
Instrumental	tīkṣṇopāyena	tīkṣṇopāyābhyām	tīkṣṇopāyaiḥ tīkṣṇopāyebhiḥ
Dative	tīkṣṇopāyāya	tīkṣṇopāyābhyām	tīkṣṇopāyebhyaḥ
Ablative	tīkṣṇopāyāt	tīkṣṇopāyābhyām	tīkṣṇopāyebhyaḥ
Genitive	tīkṣṇopāyasya	tīkṣṇopāyayoḥ	tīkṣṇopāyānām
Locative	tīkṣṇopāye	tīkṣṇopāyayoḥ	tīkṣṇopāyeṣu

Compound tīkṣṇopāya -

Adverb -tīkṣṇopāyam -tīkṣṇopāyāt