marranism
/ˈmærənɪzəm, ˈmærəˌnɪzəm/Definitions
1. noun
A secret or unconfessed adherence to Judaism, especially after conversion to another religion.
“The historian investigated allegations of marranism in 16th-century Spain.”
2. noun
A person who secretly practices Judaism, especially after conversion to another religion.
“The marranism of some Jewish converts was not immediately apparent.”