Declension table of ?pṛthivīśvara

Masculine	Singular	Dual	Plural
Nominative	pṛthivīśvaraḥ	pṛthivīśvarau	pṛthivīśvarāḥ
Vocative	pṛthivīśvara	pṛthivīśvarau	pṛthivīśvarāḥ
Accusative	pṛthivīśvaram	pṛthivīśvarau	pṛthivīśvarān
Instrumental	pṛthivīśvareṇa	pṛthivīśvarābhyām	pṛthivīśvaraiḥ pṛthivīśvarebhiḥ
Dative	pṛthivīśvarāya	pṛthivīśvarābhyām	pṛthivīśvarebhyaḥ
Ablative	pṛthivīśvarāt	pṛthivīśvarābhyām	pṛthivīśvarebhyaḥ
Genitive	pṛthivīśvarasya	pṛthivīśvarayoḥ	pṛthivīśvarāṇām
Locative	pṛthivīśvare	pṛthivīśvarayoḥ	pṛthivīśvareṣu

Compound pṛthivīśvara -

Adverb -pṛthivīśvaram -pṛthivīśvarāt