Tough guy and Thug

Tough guy noun - Someone who bullies weaker people.

Thug and tough guy are semantically related. in ruffian topic. In some cases you can use "Thug" instead a noun phrase "Tough guy", when it comes to topics like hoodlum.

Thug noun - A violent, brutal person who is often a member of an organized gang.

Tough guy and thug are semantically related. You can use "Tough guy" instead a noun "Thug".