schism 
/ˈsɪzəm, ˈskɪzəm/ noun
plural schisms /ˈsɪzəm, ˈskɪzəm/ noun formal : a division among the members of a group that occurs because they disagree on something [count] ▪ a schism between leading members of the party ▪ The controversy created a schism [=rift] in the group. [noncount] ▪ The church was divided by schism.
— schis·mat·ic /ˌsɪzˈmætɪk, ˌskɪzˈmætɪk/ adjective
▪ schismatic groups
▪ schismatic groups
