Declension table of ?ruruvas

Masculine	Singular	Dual	Plural
Nominative	ruruvān	ruruvāṃsau	ruruvāṃsaḥ
Vocative	ruruvan	ruruvāṃsau	ruruvāṃsaḥ
Accusative	ruruvāṃsam	ruruvāṃsau	rurūṣaḥ
Instrumental	rurūṣā	ruruvadbhyām	ruruvadbhiḥ
Dative	rurūṣe	ruruvadbhyām	ruruvadbhyaḥ
Ablative	rurūṣaḥ	ruruvadbhyām	ruruvadbhyaḥ
Genitive	rurūṣaḥ	rurūṣoḥ	rurūṣām
Locative	rurūṣi	rurūṣoḥ	ruruvatsu

Compound ruruvat -

Adverb -ruruvas