The main difference between the two is that in the Olympic Games countries from around the world compete, whereas in the Commonwealth Games only the countries that are part of the Commonwealth of Nations compete.

Sambo is a type of martial art discipline that originated in Russia. Wrestling is a physical competition for gaining and maintaining superiority over an opponent, by using a string of grappling techniques.

A prominent difference between Karate, Kung Fu and Taekwondo is their place of origin. Karate originated in Japan, while Kung fu is a product of China, whereas Taekwondo was founded in Korea.

A key difference between Karate and Judo is that the latter is known for its grappling and throwing techniques, while karate is famous for its striking techniques.

Karate is an individual Japanese martial art form, whereas, Martial Arts in general comprises of all the forms of martial art and combat sports which have origins from China, Japan and Korea. In simple terms, Karate is one of the forms of Martial Arts.

Both, Judo and Aikido are off spring of Jujutsu, and are based on similar principles; Judo is a modern form of combat sport and martial art technique as compared to that of Aikido which is harmonizing and defensive type of traditional martial art form.

Both, Judo and Taekwondo are martial art forms and combat sport, the main difference lies in their origin, that is, Judo is from Japan, while Taekwondo comes from Korea.

Kickboxing and Boxing are relatives of each-other, but not similar to each other. As the name suggests, Kickboxing is associated with kicks and boxing, while Boxing is associated only with boxing, and not kicks. Kickboxing and Boxing both are great cardiovascular exercises.

Judo is a modern form of Japanese martial art form and a combat sport, Jiu Jitsu is an oldest and traditional Japanese martial art form. Judo has its origin from Jiu Jitsu.

Judo is a gentle form of Japanese modern martial art and combat sport, whereas Kung Fu is a vast and dedicated form of Chinese martial arts.

Kung Fu is any martial art form which is originated from China, whereas Taekwondo is a Korean martial art form.

The two martial art forms differ in their origins. Taekwondo is a modern Korean martial art and a combat sport, whereas, Karate is a Japanese martial art form, generally practiced from sports perspective.

Origin wise, Taekwondo is a Korean martial art form, and Aikido is a Japanese martial art form.