Nerd
Part of speech: noun
Definition: A person who, although having good technical or scientific skills, is introspective and generally introverted.
Jock
Part of speech: noun
Definition: A common man.A Scotsman.The penis.An athletic supporter worn by men to support the genitals especially during sports, a jockstrap.An athlete.An enthusiastic athlete or sports fan, especially one with few other interests. A slow-witted person of large size and great physical strength.A pretty boy that shows off in sport.A specialist computer programmer