Declension table of ?chāyāvyavahāra

Masculine	Singular	Dual	Plural
Nominative	chāyāvyavahāraḥ	chāyāvyavahārau	chāyāvyavahārāḥ
Vocative	chāyāvyavahāra	chāyāvyavahārau	chāyāvyavahārāḥ
Accusative	chāyāvyavahāram	chāyāvyavahārau	chāyāvyavahārān
Instrumental	chāyāvyavahāreṇa	chāyāvyavahārābhyām	chāyāvyavahāraiḥ chāyāvyavahārebhiḥ
Dative	chāyāvyavahārāya	chāyāvyavahārābhyām	chāyāvyavahārebhyaḥ
Ablative	chāyāvyavahārāt	chāyāvyavahārābhyām	chāyāvyavahārebhyaḥ
Genitive	chāyāvyavahārasya	chāyāvyavahārayoḥ	chāyāvyavahārāṇām
Locative	chāyāvyavahāre	chāyāvyavahārayoḥ	chāyāvyavahāreṣu

Compound chāyāvyavahāra -

Adverb -chāyāvyavahāram -chāyāvyavahārāt