Declension table of ?chyavya

Masculine	Singular	Dual	Plural
Nominative	chyavyaḥ	chyavyau	chyavyāḥ
Vocative	chyavya	chyavyau	chyavyāḥ
Accusative	chyavyam	chyavyau	chyavyān
Instrumental	chyavyena	chyavyābhyām	chyavyaiḥ chyavyebhiḥ
Dative	chyavyāya	chyavyābhyām	chyavyebhyaḥ
Ablative	chyavyāt	chyavyābhyām	chyavyebhyaḥ
Genitive	chyavyasya	chyavyayoḥ	chyavyānām
Locative	chyavye	chyavyayoḥ	chyavyeṣu

Compound chyavya -

Adverb -chyavyam -chyavyāt