Declension table of vacana

Masculine	Singular	Dual	Plural
Nominative	vacanaḥ	vacanau	vacanāḥ
Vocative	vacana	vacanau	vacanāḥ
Accusative	vacanam	vacanau	vacanān
Instrumental	vacanena	vacanābhyām	vacanaiḥ vacanebhiḥ
Dative	vacanāya	vacanābhyām	vacanebhyaḥ
Ablative	vacanāt	vacanābhyām	vacanebhyaḥ
Genitive	vacanasya	vacanayoḥ	vacanānām
Locative	vacane	vacanayoḥ	vacaneṣu

Compound vacana -

Adverb -vacanam -vacanāt