Declension table of ?pṛthivyupara

Neuter	Singular	Dual	Plural
Nominative	pṛthivyuparam	pṛthivyupare	pṛthivyuparāṇi
Vocative	pṛthivyupara	pṛthivyupare	pṛthivyuparāṇi
Accusative	pṛthivyuparam	pṛthivyupare	pṛthivyuparāṇi
Instrumental	pṛthivyupareṇa	pṛthivyuparābhyām	pṛthivyuparaiḥ
Dative	pṛthivyuparāya	pṛthivyuparābhyām	pṛthivyuparebhyaḥ
Ablative	pṛthivyuparāt	pṛthivyuparābhyām	pṛthivyuparebhyaḥ
Genitive	pṛthivyuparasya	pṛthivyuparayoḥ	pṛthivyuparāṇām
Locative	pṛthivyupare	pṛthivyuparayoḥ	pṛthivyupareṣu

Compound pṛthivyupara -

Adverb -pṛthivyuparam -pṛthivyuparāt