Declension table of ?raṅkuka

Masculine	Singular	Dual	Plural
Nominative	raṅkukaḥ	raṅkukau	raṅkukāḥ
Vocative	raṅkuka	raṅkukau	raṅkukāḥ
Accusative	raṅkukam	raṅkukau	raṅkukān
Instrumental	raṅkukeṇa	raṅkukābhyām	raṅkukaiḥ raṅkukebhiḥ
Dative	raṅkukāya	raṅkukābhyām	raṅkukebhyaḥ
Ablative	raṅkukāt	raṅkukābhyām	raṅkukebhyaḥ
Genitive	raṅkukasya	raṅkukayoḥ	raṅkukāṇām
Locative	raṅkuke	raṅkukayoḥ	raṅkukeṣu

Compound raṅkuka -

Adverb -raṅkukam -raṅkukāt