Declension table of ?bhāvayu

Neuter	Singular	Dual	Plural
Nominative	bhāvayu	bhāvayunī	bhāvayūni
Vocative	bhāvayu	bhāvayunī	bhāvayūni
Accusative	bhāvayu	bhāvayunī	bhāvayūni
Instrumental	bhāvayunā	bhāvayubhyām	bhāvayubhiḥ
Dative	bhāvayune	bhāvayubhyām	bhāvayubhyaḥ
Ablative	bhāvayunaḥ	bhāvayubhyām	bhāvayubhyaḥ
Genitive	bhāvayunaḥ	bhāvayunoḥ	bhāvayūnām
Locative	bhāvayuni	bhāvayunoḥ	bhāvayuṣu

Compound bhāvayu -

Adverb -bhāvayu