■ suffix forming nouns:
1》 denoting an action or its result: baptism.
↘denoting a state or quality: barbarism.
2》 denoting a system, principle, or ideological movement: Anglicanism.
↘denoting a basis for prejudice or discrimination: racism.
3》 denoting a peculiarity in language: colloquialism.
4》 denoting a pathological condition: alcoholism.
Origin
from Fr. ~e , via L. from Gk ~os , ~a .