Declension table of ?kāṇatva

Neuter	Singular	Dual	Plural
Nominative	kāṇatvam	kāṇatve	kāṇatvāni
Vocative	kāṇatva	kāṇatve	kāṇatvāni
Accusative	kāṇatvam	kāṇatve	kāṇatvāni
Instrumental	kāṇatvena	kāṇatvābhyām	kāṇatvaiḥ
Dative	kāṇatvāya	kāṇatvābhyām	kāṇatvebhyaḥ
Ablative	kāṇatvāt	kāṇatvābhyām	kāṇatvebhyaḥ
Genitive	kāṇatvasya	kāṇatvayoḥ	kāṇatvānām
Locative	kāṇatve	kāṇatvayoḥ	kāṇatveṣu

Compound kāṇatva -

Adverb -kāṇatvam -kāṇatvāt