Declension table of anarthatva

Neuter	Singular	Dual	Plural
Nominative	anarthatvam	anarthatve	anarthatvāni
Vocative	anarthatva	anarthatve	anarthatvāni
Accusative	anarthatvam	anarthatve	anarthatvāni
Instrumental	anarthatvena	anarthatvābhyām	anarthatvaiḥ
Dative	anarthatvāya	anarthatvābhyām	anarthatvebhyaḥ
Ablative	anarthatvāt	anarthatvābhyām	anarthatvebhyaḥ
Genitive	anarthatvasya	anarthatvayoḥ	anarthatvānām
Locative	anarthatve	anarthatvayoḥ	anarthatveṣu

Compound anarthatva -

Adverb -anarthatvam -anarthatvāt