Declension table of vyavahāra

Masculine	Singular	Dual	Plural
Nominative	vyavahāraḥ	vyavahārau	vyavahārāḥ
Vocative	vyavahāra	vyavahārau	vyavahārāḥ
Accusative	vyavahāram	vyavahārau	vyavahārān
Instrumental	vyavahāreṇa	vyavahārābhyām	vyavahāraiḥ vyavahārebhiḥ
Dative	vyavahārāya	vyavahārābhyām	vyavahārebhyaḥ
Ablative	vyavahārāt	vyavahārābhyām	vyavahārebhyaḥ
Genitive	vyavahārasya	vyavahārayoḥ	vyavahārāṇām
Locative	vyavahāre	vyavahārayoḥ	vyavahāreṣu

Compound vyavahāra -

Adverb -vyavahāram -vyavahārāt