Declension table of ?preyasvin

Neuter	Singular	Dual	Plural
Nominative	preyasvi	preyasvinī	preyasvīni
Vocative	preyasvin preyasvi	preyasvinī	preyasvīni
Accusative	preyasvi	preyasvinī	preyasvīni
Instrumental	preyasvinā	preyasvibhyām	preyasvibhiḥ
Dative	preyasvine	preyasvibhyām	preyasvibhyaḥ
Ablative	preyasvinaḥ	preyasvibhyām	preyasvibhyaḥ
Genitive	preyasvinaḥ	preyasvinoḥ	preyasvinām
Locative	preyasvini	preyasvinoḥ	preyasviṣu

Compound preyasvi -

Adverb -preyasvi