Go to Japan today, and the country will present you with plenty of opportunities to buy pan, tabako, and tempura. These products themselves — bread, cigarettes, and deep-fried seafood or vegetables — will be familiar enough. Even the words that refer to them may have a recognizable ring, especially if you happen to be a Portuguese-speaker. Japanese has more than its fair share of naturalized terms, used to refer to everything from the konbini on the corner to the riizanaburu prices found therein...