Declension table of ?parpya

Neuter	Singular	Dual	Plural
Nominative	parpyam	parpye	parpyāṇi
Vocative	parpya	parpye	parpyāṇi
Accusative	parpyam	parpye	parpyāṇi
Instrumental	parpyeṇa	parpyābhyām	parpyaiḥ
Dative	parpyāya	parpyābhyām	parpyebhyaḥ
Ablative	parpyāt	parpyābhyām	parpyebhyaḥ
Genitive	parpyasya	parpyayoḥ	parpyāṇām
Locative	parpye	parpyayoḥ	parpyeṣu

Compound parpya -

Adverb -parpyam -parpyāt