Declension table of ?kustuka

Masculine	Singular	Dual	Plural
Nominative	kustukaḥ	kustukau	kustukāḥ
Vocative	kustuka	kustukau	kustukāḥ
Accusative	kustukam	kustukau	kustukān
Instrumental	kustukena	kustukābhyām	kustukaiḥ kustukebhiḥ
Dative	kustukāya	kustukābhyām	kustukebhyaḥ
Ablative	kustukāt	kustukābhyām	kustukebhyaḥ
Genitive	kustukasya	kustukayoḥ	kustukānām
Locative	kustuke	kustukayoḥ	kustukeṣu

Compound kustuka -

Adverb -kustukam -kustukāt