Because "Emishi" and "Ezo" are expressed by the same Chinese characters, they tend to be confused with one another; however, these two must be distinguished accurately because the periods in which these peoples appeared are completely different.
蝦夷（えみし）と蝦夷（えぞ）は同じ漢字を用いていることから混同されやすいが、歴史に登場する時代もまったく異なり、両者は厳密に区別されなければならない。