Hotshot and Know-it-all

Hotshot noun - A person with a high level of knowledge or skill in a field.

Know-it-all and hotshot are semantically related. in self-assured topic. In some cases you can use "Know-it-all" instead the word "Hotshot" as a noun or an adjective, when it comes to topics like braggart, secure with oneself, person who talks boastingly.

Know-it-all noun - Someone who thinks he knows everything and refuses to accept advice or information from others.

Hotshot and know-it-all are semantically related. Sometimes you can use "Hotshot" instead the phrase "Know-it-all" as an adjective or a noun.