First, refer to different
1, burger: fish muffin, vegetable cake, nut cake.
2. hamburger: hamburgers, hamburger patties.
Second, the usage is different
1, burger: refers to all foods whose bread is mixed with ingredients, which is a general term.
2, hamburger: refers to the beef pot mixed with beef inside, which is a special reference.
Third, the etymology is different
1, burger:hamburger, etc. In these compound words ending in -burger, the root usually indicates the name of the sandwich, while -burger is used as a suffix to indicate some kind of sandwich bread.
2. hamburger: this noun is a German loan word. Its origin can be traced back to many centuries ago. According to legend, the Tatar dá dá (a foreign nationality) likes to eat shredded beef raw. Although it is eaten raw, it still keeps delicious. Then it was introduced from Russia to Germany.