Declension table of vacana

Neuter	Singular	Dual	Plural
Nominative	vacanam	vacane	vacanāni
Vocative	vacana	vacane	vacanāni
Accusative	vacanam	vacane	vacanāni
Instrumental	vacanena	vacanābhyām	vacanaiḥ
Dative	vacanāya	vacanābhyām	vacanebhyaḥ
Ablative	vacanāt	vacanābhyām	vacanebhyaḥ
Genitive	vacanasya	vacanayoḥ	vacanānām
Locative	vacane	vacanayoḥ	vacaneṣu

Compound vacana -

Adverb -vacanam -vacanāt