Declension table of ?vastubala

Neuter	Singular	Dual	Plural
Nominative	vastubalam	vastubale	vastubalāni
Vocative	vastubala	vastubale	vastubalāni
Accusative	vastubalam	vastubale	vastubalāni
Instrumental	vastubalena	vastubalābhyām	vastubalaiḥ
Dative	vastubalāya	vastubalābhyām	vastubalebhyaḥ
Ablative	vastubalāt	vastubalābhyām	vastubalebhyaḥ
Genitive	vastubalasya	vastubalayoḥ	vastubalānām
Locative	vastubale	vastubalayoḥ	vastubaleṣu

Compound vastubala -

Adverb -vastubalam -vastubalāt