Declension table of ?apuṣṭārthatva

Neuter	Singular	Dual	Plural
Nominative	apuṣṭārthatvam	apuṣṭārthatve	apuṣṭārthatvāni
Vocative	apuṣṭārthatva	apuṣṭārthatve	apuṣṭārthatvāni
Accusative	apuṣṭārthatvam	apuṣṭārthatve	apuṣṭārthatvāni
Instrumental	apuṣṭārthatvena	apuṣṭārthatvābhyām	apuṣṭārthatvaiḥ
Dative	apuṣṭārthatvāya	apuṣṭārthatvābhyām	apuṣṭārthatvebhyaḥ
Ablative	apuṣṭārthatvāt	apuṣṭārthatvābhyām	apuṣṭārthatvebhyaḥ
Genitive	apuṣṭārthatvasya	apuṣṭārthatvayoḥ	apuṣṭārthatvānām
Locative	apuṣṭārthatve	apuṣṭārthatvayoḥ	apuṣṭārthatveṣu

Compound apuṣṭārthatva -

Adverb -apuṣṭārthatvam -apuṣṭārthatvāt