Declension table of ?pṛthivi

Feminine	Singular	Dual	Plural
Nominative	pṛthiviḥ	pṛthivī	pṛthivayaḥ
Vocative	pṛthive	pṛthivī	pṛthivayaḥ
Accusative	pṛthivim	pṛthivī	pṛthivīḥ
Instrumental	pṛthivyā	pṛthivibhyām	pṛthivibhiḥ
Dative	pṛthivyai pṛthivaye	pṛthivibhyām	pṛthivibhyaḥ
Ablative	pṛthivyāḥ pṛthiveḥ	pṛthivibhyām	pṛthivibhyaḥ
Genitive	pṛthivyāḥ pṛthiveḥ	pṛthivyoḥ	pṛthivīnām
Locative	pṛthivyām pṛthivau	pṛthivyoḥ	pṛthiviṣu

Compound pṛthivi -

Adverb -pṛthivi