What is another word for "barbarism"?

Roget's Thesaurus (1911) lists these synonyms for "barbarism": abrupt, abuse, accent, affectation, affected, ambiguity, anagram, antiphrasis, archaic, archaism, argot, artificial, awkward, babu, bad, barbarous, black, break, brogue, broken, bull, byword, cacophony, call, cant, clinch, coin, coiner, colloquial, colloquialism, commit, confusion, corruption, crude, dialect, dislocate, dog, double, dry, euphuism.