Declension table of ?bhūtaviṣṇu

Masculine	Singular	Dual	Plural
Nominative	bhūtaviṣṇuḥ	bhūtaviṣṇū	bhūtaviṣṇavaḥ
Vocative	bhūtaviṣṇo	bhūtaviṣṇū	bhūtaviṣṇavaḥ
Accusative	bhūtaviṣṇum	bhūtaviṣṇū	bhūtaviṣṇūn
Instrumental	bhūtaviṣṇunā	bhūtaviṣṇubhyām	bhūtaviṣṇubhiḥ
Dative	bhūtaviṣṇave	bhūtaviṣṇubhyām	bhūtaviṣṇubhyaḥ
Ablative	bhūtaviṣṇoḥ	bhūtaviṣṇubhyām	bhūtaviṣṇubhyaḥ
Genitive	bhūtaviṣṇoḥ	bhūtaviṣṇvoḥ	bhūtaviṣṇūnām
Locative	bhūtaviṣṇau	bhūtaviṣṇvoḥ	bhūtaviṣṇuṣu

Compound bhūtaviṣṇu -

Adverb -bhūtaviṣṇu