Declension table of ?haviṣyānna

Neuter	Singular	Dual	Plural
Nominative	haviṣyānnam	haviṣyānne	haviṣyānnāni
Vocative	haviṣyānna	haviṣyānne	haviṣyānnāni
Accusative	haviṣyānnam	haviṣyānne	haviṣyānnāni
Instrumental	haviṣyānnena	haviṣyānnābhyām	haviṣyānnaiḥ
Dative	haviṣyānnāya	haviṣyānnābhyām	haviṣyānnebhyaḥ
Ablative	haviṣyānnāt	haviṣyānnābhyām	haviṣyānnebhyaḥ
Genitive	haviṣyānnasya	haviṣyānnayoḥ	haviṣyānnānām
Locative	haviṣyānne	haviṣyānnayoḥ	haviṣyānneṣu

Compound haviṣyānna -

Adverb -haviṣyānnam -haviṣyānnāt