Declension table of ?rūvuka

Masculine	Singular	Dual	Plural
Nominative	rūvukaḥ	rūvukau	rūvukāḥ
Vocative	rūvuka	rūvukau	rūvukāḥ
Accusative	rūvukam	rūvukau	rūvukān
Instrumental	rūvukeṇa	rūvukābhyām	rūvukaiḥ rūvukebhiḥ
Dative	rūvukāya	rūvukābhyām	rūvukebhyaḥ
Ablative	rūvukāt	rūvukābhyām	rūvukebhyaḥ
Genitive	rūvukasya	rūvukayoḥ	rūvukāṇām
Locative	rūvuke	rūvukayoḥ	rūvukeṣu

Compound rūvuka -

Adverb -rūvukam -rūvukāt