Declension table of ?ruhvan

Masculine	Singular	Dual	Plural
Nominative	ruhvā	ruhvāṇau	ruhvāṇaḥ
Vocative	ruhvan	ruhvāṇau	ruhvāṇaḥ
Accusative	ruhvāṇam	ruhvāṇau	ruhvaṇaḥ
Instrumental	ruhvaṇā	ruhvabhyām	ruhvabhiḥ
Dative	ruhvaṇe	ruhvabhyām	ruhvabhyaḥ
Ablative	ruhvaṇaḥ	ruhvabhyām	ruhvabhyaḥ
Genitive	ruhvaṇaḥ	ruhvaṇoḥ	ruhvaṇām
Locative	ruhvaṇi	ruhvaṇoḥ	ruhvasu

Compound ruhva -

Adverb -ruhvam