Declension table of ?tīkṣṇahṛdayatva

Neuter	Singular	Dual	Plural
Nominative	tīkṣṇahṛdayatvam	tīkṣṇahṛdayatve	tīkṣṇahṛdayatvāni
Vocative	tīkṣṇahṛdayatva	tīkṣṇahṛdayatve	tīkṣṇahṛdayatvāni
Accusative	tīkṣṇahṛdayatvam	tīkṣṇahṛdayatve	tīkṣṇahṛdayatvāni
Instrumental	tīkṣṇahṛdayatvena	tīkṣṇahṛdayatvābhyām	tīkṣṇahṛdayatvaiḥ
Dative	tīkṣṇahṛdayatvāya	tīkṣṇahṛdayatvābhyām	tīkṣṇahṛdayatvebhyaḥ
Ablative	tīkṣṇahṛdayatvāt	tīkṣṇahṛdayatvābhyām	tīkṣṇahṛdayatvebhyaḥ
Genitive	tīkṣṇahṛdayatvasya	tīkṣṇahṛdayatvayoḥ	tīkṣṇahṛdayatvānām
Locative	tīkṣṇahṛdayatve	tīkṣṇahṛdayatvayoḥ	tīkṣṇahṛdayatveṣu

Compound tīkṣṇahṛdayatva -

Adverb -tīkṣṇahṛdayatvam -tīkṣṇahṛdayatvāt