Declension table of ?bhūtasthāna

Neuter	Singular	Dual	Plural
Nominative	bhūtasthānam	bhūtasthāne	bhūtasthānāni
Vocative	bhūtasthāna	bhūtasthāne	bhūtasthānāni
Accusative	bhūtasthānam	bhūtasthāne	bhūtasthānāni
Instrumental	bhūtasthānena	bhūtasthānābhyām	bhūtasthānaiḥ
Dative	bhūtasthānāya	bhūtasthānābhyām	bhūtasthānebhyaḥ
Ablative	bhūtasthānāt	bhūtasthānābhyām	bhūtasthānebhyaḥ
Genitive	bhūtasthānasya	bhūtasthānayoḥ	bhūtasthānānām
Locative	bhūtasthāne	bhūtasthānayoḥ	bhūtasthāneṣu

Compound bhūtasthāna -

Adverb -bhūtasthānam -bhūtasthānāt