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 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.
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.
In the United Kingdom, the terms football and soccer refer to the same thing while in United States, soccer and football are two different games. The football there is more like the rugby and the players wear the armor to protect themselves from getting hurt. And in soccer, the teams use the feet to kick the ball around, and do not wear any armors.
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.
One of the best-known differences between British and American English is the fact that the sport known as football in Great Britain is usually called soccer in the United States. Because the sport originated in England, it is often assumed that soccer is an Americanism. In fact, the word is thoroughly British in origin.
4 Are football and soccer cleats the same? 4.1 Soccer cleats are lightweight. 4.2 Soccer cleats feature a natural toe feel. 4.3 Football cleats come in high-top and mid-rise designs. 4.4 Football cleats come in three main styles, while soccer cleats come in one. 4.5 Football cleats have a toe stud that soccer cleats don’t.