Declension table of ?vyāyatatva

Neuter	Singular	Dual	Plural
Nominative	vyāyatatvam	vyāyatatve	vyāyatatvāni
Vocative	vyāyatatva	vyāyatatve	vyāyatatvāni
Accusative	vyāyatatvam	vyāyatatve	vyāyatatvāni
Instrumental	vyāyatatvena	vyāyatatvābhyām	vyāyatatvaiḥ
Dative	vyāyatatvāya	vyāyatatvābhyām	vyāyatatvebhyaḥ
Ablative	vyāyatatvāt	vyāyatatvābhyām	vyāyatatvebhyaḥ
Genitive	vyāyatatvasya	vyāyatatvayoḥ	vyāyatatvānām
Locative	vyāyatatve	vyāyatatvayoḥ	vyāyatatveṣu

Compound vyāyatatva -

Adverb -vyāyatatvam -vyāyatatvāt