Declension table of ?ruvuka

Masculine	Singular	Dual	Plural
Nominative	ruvukaḥ	ruvukau	ruvukāḥ
Vocative	ruvuka	ruvukau	ruvukāḥ
Accusative	ruvukam	ruvukau	ruvukān
Instrumental	ruvukeṇa	ruvukābhyām	ruvukaiḥ ruvukebhiḥ
Dative	ruvukāya	ruvukābhyām	ruvukebhyaḥ
Ablative	ruvukāt	ruvukābhyām	ruvukebhyaḥ
Genitive	ruvukasya	ruvukayoḥ	ruvukāṇām
Locative	ruvuke	ruvukayoḥ	ruvukeṣu

Compound ruvuka -

Adverb -ruvukam -ruvukāt