Declension table of ?paraśava

Neuter	Singular	Dual	Plural
Nominative	paraśavam	paraśave	paraśavāni
Vocative	paraśava	paraśave	paraśavāni
Accusative	paraśavam	paraśave	paraśavāni
Instrumental	paraśavena	paraśavābhyām	paraśavaiḥ
Dative	paraśavāya	paraśavābhyām	paraśavebhyaḥ
Ablative	paraśavāt	paraśavābhyām	paraśavebhyaḥ
Genitive	paraśavasya	paraśavayoḥ	paraśavānām
Locative	paraśave	paraśavayoḥ	paraśaveṣu

Compound paraśava -

Adverb -paraśavam -paraśavāt