In French and (potentially other languages), I can add another criticism on top of the paper, some the words used in the dictionary are so obscure that a native

In French and (potentially other languages), I can add another criticism on top of the paper, some the words used in the dictionary are so obscure that a native speaker would not know them. They probably generated them randomly from a dictionary instead of asking native speakers. The whole project has then no real purpose if you have to spell unknown words.