What is another word for "dialect"?

Roget's Thesaurus (1911) lists these synonyms for "dialect": abuse, accent, ambiguity, anagram, antiphrasis, archaic, archaism, argot, babu, barbarism, betacism, bilingual, black, brogue, broken, byword, call, cant, chrestomathy, clinch, coin, coiner, colloquial, colloquialism, comparative, confusion, corruption, current, dead, dialectic, dog, double, express, expression, figure, flash, genius, gibberish, glossology, glottology.