Declension table of ?vasūka

Neuter	Singular	Dual	Plural
Nominative	vasūkam	vasūke	vasūkāni
Vocative	vasūka	vasūke	vasūkāni
Accusative	vasūkam	vasūke	vasūkāni
Instrumental	vasūkena	vasūkābhyām	vasūkaiḥ
Dative	vasūkāya	vasūkābhyām	vasūkebhyaḥ
Ablative	vasūkāt	vasūkābhyām	vasūkebhyaḥ
Genitive	vasūkasya	vasūkayoḥ	vasūkānām
Locative	vasūke	vasūkayoḥ	vasūkeṣu

Compound vasūka -

Adverb -vasūkam -vasūkāt