Retchings, often associated with nausea and vomiting, has a few synonyms that could be useful to expand one's vocabulary. First, the term "heaves" could be used to describe the act of forcefully emptying one's stomach due to sickness. Another alternative could be "retch", which refers specifically to the spasmodic movement of the stomach muscles. "Regurgitation" is another term that could be used to describe the expulsion of partially digested food from the stomach. "Emesis" is a medical term that could be used to describe the act of vomiting. "Gagging" is another term that refers to involuntary heaves or retches often accompanied by a feeling of suffocation or choking.