Marranism

[ muh-rah-niz-uh m ]
/ məˈrɑ nɪz əm /

noun

the practices, principles, or condition characteristic of the Marranos.
Also Mar·ra·no·ism [muh-ran-oh-iz-uh m] /məˈræn oʊˌɪz əm/.

Origin of Marranism

First recorded in 1730–40; Marran(o) + -ism