Declension table of ?pṛthivitva

Neuter	Singular	Dual	Plural
Nominative	pṛthivitvam	pṛthivitve	pṛthivitvāni
Vocative	pṛthivitva	pṛthivitve	pṛthivitvāni
Accusative	pṛthivitvam	pṛthivitve	pṛthivitvāni
Instrumental	pṛthivitvena	pṛthivitvābhyām	pṛthivitvaiḥ
Dative	pṛthivitvāya	pṛthivitvābhyām	pṛthivitvebhyaḥ
Ablative	pṛthivitvāt	pṛthivitvābhyām	pṛthivitvebhyaḥ
Genitive	pṛthivitvasya	pṛthivitvayoḥ	pṛthivitvānām
Locative	pṛthivitve	pṛthivitvayoḥ	pṛthivitveṣu

Compound pṛthivitva -

Adverb -pṛthivitvam -pṛthivitvāt