神しん仏ぶつ同どう体たい説せつしんぶつどうたいせつMeanings1nounkami-buddha syncretization theoryrare termRare academic term referring to the theory that Shinto kami and Buddhist deities share the same essence, often associated with honji suijaku thought.See also: 本地垂迹説神しん仏ぶつ同どう体たい説せつは、本