Declension table of ?aphalatva

Neuter	Singular	Dual	Plural
Nominative	aphalatvam	aphalatve	aphalatvāni
Vocative	aphalatva	aphalatve	aphalatvāni
Accusative	aphalatvam	aphalatve	aphalatvāni
Instrumental	aphalatvena	aphalatvābhyām	aphalatvaiḥ
Dative	aphalatvāya	aphalatvābhyām	aphalatvebhyaḥ
Ablative	aphalatvāt	aphalatvābhyām	aphalatvebhyaḥ
Genitive	aphalatvasya	aphalatvayoḥ	aphalatvānām
Locative	aphalatve	aphalatvayoḥ	aphalatveṣu

Compound aphalatva -

Adverb -aphalatvam -aphalatvāt