Declension table of ?bhāvastha

Neuter	Singular	Dual	Plural
Nominative	bhāvastham	bhāvasthe	bhāvasthāni
Vocative	bhāvastha	bhāvasthe	bhāvasthāni
Accusative	bhāvastham	bhāvasthe	bhāvasthāni
Instrumental	bhāvasthena	bhāvasthābhyām	bhāvasthaiḥ
Dative	bhāvasthāya	bhāvasthābhyām	bhāvasthebhyaḥ
Ablative	bhāvasthāt	bhāvasthābhyām	bhāvasthebhyaḥ
Genitive	bhāvasthasya	bhāvasthayoḥ	bhāvasthānām
Locative	bhāvasthe	bhāvasthayoḥ	bhāvastheṣu

Compound bhāvastha -

Adverb -bhāvastham -bhāvasthāt