Common cold and Head cold

Common cold noun - A mild viral infection involving the nose and respiratory passages (but not the lungs).

Head cold and common cold are semantically related in coryza topic. In some cases you can use "Head cold" instead a noun phrase "Common cold", when it comes to topics like rhinitis, runny nose, rhinorrhea.

Head cold noun - A common cold affecting the nasal passages and resulting in congestion and sneezing and headache.

Common cold and head cold are semantically related in coryza topic. You can use "Common cold" instead a noun phrase "Head cold", if it concerns topics such as rhinitis, runny nose, rhinorrhea.