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schismatize

American  
[siz-muh-tahyz, skiz-] / ˈsɪz məˌtaɪz, ˈskɪz- /
especially British, schismatise

verb (used without object)

schismatized, schismatizing
  1. to take part in a schism.


verb (used with object)

schismatized, schismatizing
  1. to cause schism in.

Etymology

Origin of schismatize

1595–1605; < Late Latin schismat- ( see schism) + -ize