Declension table of ?bhāvāva

Neuter	Singular	Dual	Plural
Nominative	bhāvāvam	bhāvāve	bhāvāvāni
Vocative	bhāvāva	bhāvāve	bhāvāvāni
Accusative	bhāvāvam	bhāvāve	bhāvāvāni
Instrumental	bhāvāvena	bhāvāvābhyām	bhāvāvaiḥ
Dative	bhāvāvāya	bhāvāvābhyām	bhāvāvebhyaḥ
Ablative	bhāvāvāt	bhāvāvābhyām	bhāvāvebhyaḥ
Genitive	bhāvāvasya	bhāvāvayoḥ	bhāvāvānām
Locative	bhāvāve	bhāvāvayoḥ	bhāvāveṣu

Compound bhāvāva -

Adverb -bhāvāvam -bhāvāvāt