Declension table of ?retasvin

Masculine	Singular	Dual	Plural
Nominative	retasvī	retasvinau	retasvinaḥ
Vocative	retasvin	retasvinau	retasvinaḥ
Accusative	retasvinam	retasvinau	retasvinaḥ
Instrumental	retasvinā	retasvibhyām	retasvibhiḥ
Dative	retasvine	retasvibhyām	retasvibhyaḥ
Ablative	retasvinaḥ	retasvibhyām	retasvibhyaḥ
Genitive	retasvinaḥ	retasvinoḥ	retasvinām
Locative	retasvini	retasvinoḥ	retasviṣu

Compound retasvi -

Adverb -retasvi