The word "bushi" is a Japanese term that refers to a warrior or samurai. However, there are other words that can be used as synonyms for "bushi" in Japanese. One alternative is "musha," which also means warrior or samurai but has a more heroic connotation. Another option is "senshi," which emphasizes military power and means warrior or soldier. "Heishi" is a term that can be used to describe a foot soldier or infantryman, while "yoroi" refers specifically to armored warriors. Lastly, "kenshi" is a term for a swordsman or warrior who specializes in fighting with a sword. All of these words can be used interchangeably with "bushi" depending on the context.