Protestantize
[ prot-uh-stuh n-tahyz ]
/ ˈprɒt ə stənˌtaɪz /
verb (used with object), Prot·es·tant·ized, Prot·es·tant·iz·ing.
to convert or cause to conform to Protestantism.
Also
especially British,
Prot·es·tant·ise.
Origin of Protestantize
First recorded in 1825–35;
Protestant +
-ize