Declension table of ?ārthatva

Neuter	Singular	Dual	Plural
Nominative	ārthatvam	ārthatve	ārthatvāni
Vocative	ārthatva	ārthatve	ārthatvāni
Accusative	ārthatvam	ārthatve	ārthatvāni
Instrumental	ārthatvena	ārthatvābhyām	ārthatvaiḥ
Dative	ārthatvāya	ārthatvābhyām	ārthatvebhyaḥ
Ablative	ārthatvāt	ārthatvābhyām	ārthatvebhyaḥ
Genitive	ārthatvasya	ārthatvayoḥ	ārthatvānām
Locative	ārthatve	ārthatvayoḥ	ārthatveṣu

Compound ārthatva -

Adverb -ārthatvam -ārthatvāt