Declension table of ?cyavya

Neuter	Singular	Dual	Plural
Nominative	cyavyam	cyavye	cyavyāni
Vocative	cyavya	cyavye	cyavyāni
Accusative	cyavyam	cyavye	cyavyāni
Instrumental	cyavyena	cyavyābhyām	cyavyaiḥ
Dative	cyavyāya	cyavyābhyām	cyavyebhyaḥ
Ablative	cyavyāt	cyavyābhyām	cyavyebhyaḥ
Genitive	cyavyasya	cyavyayoḥ	cyavyānām
Locative	cyavye	cyavyayoḥ	cyavyeṣu

Compound cyavya -

Adverb -cyavyam -cyavyāt