Declension table of ?cha

Masculine	Singular	Dual	Plural
Nominative	chaḥ	chau	chāḥ
Vocative	cha	chau	chāḥ
Accusative	cham	chau	chān
Instrumental	chena	chābhyām	chaiḥ chebhiḥ
Dative	chāya	chābhyām	chebhyaḥ
Ablative	chāt	chābhyām	chebhyaḥ
Genitive	chasya	chayoḥ	chānām
Locative	che	chayoḥ	cheṣu

Compound cha -

Adverb -cham -chāt