Declension table of ?hitavacana

Neuter	Singular	Dual	Plural
Nominative	hitavacanam	hitavacane	hitavacanāni
Vocative	hitavacana	hitavacane	hitavacanāni
Accusative	hitavacanam	hitavacane	hitavacanāni
Instrumental	hitavacanena	hitavacanābhyām	hitavacanaiḥ
Dative	hitavacanāya	hitavacanābhyām	hitavacanebhyaḥ
Ablative	hitavacanāt	hitavacanābhyām	hitavacanebhyaḥ
Genitive	hitavacanasya	hitavacanayoḥ	hitavacanānām
Locative	hitavacane	hitavacanayoḥ	hitavacaneṣu

Compound hitavacana -

Adverb -hitavacanam -hitavacanāt