The word "most protrude" means to stick out more than anything else. There are several synonyms for this word, including "jut," "extend," "thrust," "project," "bulge," "prominence," "overhang," "exaggerate," and "emerge." Each of these synonyms describes something that is standing out more than other things nearby, whether it's a physical object, a feature on a person, or an exaggerated statement. Using synonyms for "most protrude" can add variety and interest to your writing, allowing you to effectively convey the idea of something sticking out prominently.