What is another word for "neologic"?

Roget's Thesaurus (1911) lists these synonyms for "neologic": abuse, accent, ambiguity, anagram, antiphrasis, archaic, archaism, argot, babu, barbarism, black, brogue, broken, byword, call, cant, clinch, coin, coiner, colloquial, colloquialism, confusion, corruption, dialect, dog, double, expression, figure, flash, gibberish, his, idiom, informal, jargon, kitchen, language, letter, lingo, lingua, localism.