Declension table of ?pṛthivīrasa

Masculine	Singular	Dual	Plural
Nominative	pṛthivīrasaḥ	pṛthivīrasau	pṛthivīrasāḥ
Vocative	pṛthivīrasa	pṛthivīrasau	pṛthivīrasāḥ
Accusative	pṛthivīrasam	pṛthivīrasau	pṛthivīrasān
Instrumental	pṛthivīrasena	pṛthivīrasābhyām	pṛthivīrasaiḥ pṛthivīrasebhiḥ
Dative	pṛthivīrasāya	pṛthivīrasābhyām	pṛthivīrasebhyaḥ
Ablative	pṛthivīrasāt	pṛthivīrasābhyām	pṛthivīrasebhyaḥ
Genitive	pṛthivīrasasya	pṛthivīrasayoḥ	pṛthivīrasānām
Locative	pṛthivīrase	pṛthivīrasayoḥ	pṛthivīraseṣu

Compound pṛthivīrasa -

Adverb -pṛthivīrasam -pṛthivīrasāt