Declension table of ru

Masculine	Singular	Dual	Plural
Nominative	ruḥ	rū	ravaḥ
Vocative	ro	rū	ravaḥ
Accusative	rum	rū	rūn
Instrumental	ruṇā	rubhyām	rubhiḥ
Dative	rave	rubhyām	rubhyaḥ
Ablative	roḥ	rubhyām	rubhyaḥ
Genitive	roḥ	rvoḥ	rūṇām
Locative	rau	rvoḥ	ruṣu

Compound ru -

Adverb -ru