Declension table of ?svastivacana

Neuter	Singular	Dual	Plural
Nominative	svastivacanam	svastivacane	svastivacanāni
Vocative	svastivacana	svastivacane	svastivacanāni
Accusative	svastivacanam	svastivacane	svastivacanāni
Instrumental	svastivacanena	svastivacanābhyām	svastivacanaiḥ
Dative	svastivacanāya	svastivacanābhyām	svastivacanebhyaḥ
Ablative	svastivacanāt	svastivacanābhyām	svastivacanebhyaḥ
Genitive	svastivacanasya	svastivacanayoḥ	svastivacanānām
Locative	svastivacane	svastivacanayoḥ	svastivacaneṣu

Compound svastivacana -

Adverb -svastivacanam -svastivacanāt