Declension table of ?parasva

Neuter	Singular	Dual	Plural
Nominative	parasvam	parasve	parasvāni
Vocative	parasva	parasve	parasvāni
Accusative	parasvam	parasve	parasvāni
Instrumental	parasvena	parasvābhyām	parasvaiḥ
Dative	parasvāya	parasvābhyām	parasvebhyaḥ
Ablative	parasvāt	parasvābhyām	parasvebhyaḥ
Genitive	parasvasya	parasvayoḥ	parasvānām
Locative	parasve	parasvayoḥ	parasveṣu

Compound parasva -

Adverb -parasvam -parasvāt