The Collaborative International Dictionary
Cacodoxy
Cacodoxy \Cac"o*dox`y\, n. [Gr. ????????? perverted opinion; kako`s bad + ????? opinion.] Erroneous doctrine; heresy; heterodoxy. [R.]
Heterodoxy, or what Luther calls cacodoxy.
--R.
Turnbull.
Wiktionary
cacodoxy
n. Incorrect doctrine or opinions.