There are several synonyms for the word "un-calms" which means to cause someone to become agitated or disturbed. Some of the most common synonyms include "unsettles", "discomposes", "disquiets", "perturbs", and "flusters". These words all convey a sense of unease or discomfort, and can be used to describe a variety of situations where someone might feel anxious or upset. Whether it's a noisy environment, a stressful situation, or just an uncomfortable conversation, using these synonyms can help convey the specific nature of the disturbance and help the listener understand the impact it had on the speaker.