There are several synonyms for the word "puckerer" that can help describe the physical action of contracting or tightening a facial or body feature. Some of these synonyms include "wince," "grimace," "frown," "scrunch," "twist," and "contort." Each of these words suggests a different level of discomfort or strained expression, with "wince" often indicating a quick and involuntary reaction, and "contort" suggesting a more extreme or prolonged effort. Other words like "pout," "pucker," and "purse" specifically describe the action of tightening the lips or mouth area. Overall, there are many synonymous words that can help convey the physical expression of pain, discomfort, or distaste.