When it comes to the term "contract brows," there are a few synonyms that can potentially be used interchangeably. For example, the term "tighten brows" is often used to express a similar concept. Other common synonyms include "crease brows," "furrow brows," and "wrinkle brows." These synonyms all convey the idea of a person's eyebrows appearing more tense or constricted due to a particular emotion or action. Depending on the particular context, one of these synonyms may be more appropriate than another, and it's up to the speaker or writer to determine which one works best.