"Gulp" vs. "swallow": same action, different flavor

What is similar?

Both "gulp" and "swallow" refer to the act of ingesting something through the throat and can be used to describe consuming liquids or food. They are also used metaphorically to describe reactions, such as "swallowing emotions" or "gulping in surprise".

What is different?

"Gulp" often implies taking in something quickly or in large quantities, sometimes with difficulty, and is associated with sound or urgency. "Swallow" is a more general term for the physical action of consuming and can describe a calmer or more deliberate action.

Which one is more common?