Declension table of ?prārthya

Neuter	Singular	Dual	Plural
Nominative	prārthyam	prārthye	prārthyāni
Vocative	prārthya	prārthye	prārthyāni
Accusative	prārthyam	prārthye	prārthyāni
Instrumental	prārthyena	prārthyābhyām	prārthyaiḥ
Dative	prārthyāya	prārthyābhyām	prārthyebhyaḥ
Ablative	prārthyāt	prārthyābhyām	prārthyebhyaḥ
Genitive	prārthyasya	prārthyayoḥ	prārthyānām
Locative	prārthye	prārthyayoḥ	prārthyeṣu

Compound prārthya -

Adverb -prārthyam -prārthyāt