As for any differences in rules between soccer and ( Association) football, the answer is that there are none. Both refer to the same sport featuring 22 players described above and adhere to rules...
The Similarities between Football (American Football) and Soccer are: Both American Football and Soccer have 2 opposing teams with 11 members each; Both are contact sports; Both games allow substitutions, although the numbers are different. Both the sports have goal posts, although they are of different dimensions.
The answer is quite clear as soccer and American football are two completely different games. Soccer is played with a round ball that can be kicked and headed. American football, however, is more of a rugby type game in which the oblong shaped ball is thrown and passed as well as kicked.
Soccer is a game beloved from South America to Europe, from Africa to Asia. At its simplest, it involves a foot and ball. But in the United States soccer can involve much more than that.
The answer is one that heavily depends on where you live. Certain parts of the world would regard soccer and football as the same thing, but for others, it is two different things entirely.
Soccer is called Association football, or more commonly simply football in most of the world. In America, the word football refers to American football, which has more in common with rugby than with soccer.
Soccer and football is the same sport witha different name, it is called football in the uk and soccer in the u.s.
Similarities. Both sports feature two opposing squads of 11. Soccer players form a single unit, while football players are assigned to offense, defense or special teams. A regulation football field is 100 yards long by 53 yards wide.