Declension table of ?retasvin

Neuter	Singular	Dual	Plural
Nominative	retasvi	retasvinī	retasvīni
Vocative	retasvin retasvi	retasvinī	retasvīni
Accusative	retasvi	retasvinī	retasvīni
Instrumental	retasvinā	retasvibhyām	retasvibhiḥ
Dative	retasvine	retasvibhyām	retasvibhyaḥ
Ablative	retasvinaḥ	retasvibhyām	retasvibhyaḥ
Genitive	retasvinaḥ	retasvinoḥ	retasvinām
Locative	retasvini	retasvinoḥ	retasviṣu

Compound retasvi -

Adverb -retasvi