Brazilian here - once had an english teacher call xadrez, the chess game, “checkers” (to be fair to her, “xadrez” could mean either the game or a checkered texture, but the game of checkers is what we call “damas”). She also called bolinhos (muffins) doughnuts (or “dou-go-nu-ty”, as she spoke), and rosquinhas (doughnuts) muffins. I called out that she got the two mixed up, she ignored me.

She was a terrible teacher. She even forgot to put the correct text for an exam once, I asked her about the text during the exam and she just said “if you read it, you’ll find (the answers)” - it took another kid bringing the same point for her to bother reading the exam she prepared and realizing she fucked up.