What is another word for "babu"?

Roget's Thesaurus (1911) lists these synonyms for "babu": abuse, accent, amanuensis, ambiguity, anagram, annalist, antiphrasis, antiquary, antiquity, archaic, archaism, argot, barbarism, biographer, black, bookkeeper, brogue, broken, byword, call, cant, chronicler, clerk, clinch, coin, coiner, colloquial, colloquialism, confusion, corruption, custos, dialect, dog, double, expression, figure, flash, gibberish, his, historian.