Declension table of avacana

Neuter	Singular	Dual	Plural
Nominative	avacanam	avacane	avacanāni
Vocative	avacana	avacane	avacanāni
Accusative	avacanam	avacane	avacanāni
Instrumental	avacanena	avacanābhyām	avacanaiḥ
Dative	avacanāya	avacanābhyām	avacanebhyaḥ
Ablative	avacanāt	avacanābhyām	avacanebhyaḥ
Genitive	avacanasya	avacanayoḥ	avacanānām
Locative	avacane	avacanayoḥ	avacaneṣu

Compound avacana -

Adverb -avacanam -avacanāt