He was accused of holding schismatical views.

He was accused of being a schismatical.

The schismaticalness of the group led to its eventual split.

The schismogenic behavior of the group led to a deep division among its members.

The schismogenesis within the organization led to its downfall.

The disagreement schismatised the group, causing them to split into two factions.

The religious leader schismatises the congregation.

The religious leader is schismatising the congregation.

Some people prefer to schismatise their beliefs rather than finding common ground.

The schismaticks were expelled from the church.