"Leaves a lurch" is a common phrase used to describe sudden and unexpected movements or changes in direction that can cause discomfort or unease. However, there are several synonyms that can be used to convey a similar meaning. For instance, "jolts," "jerks," "startles," "surprises," "shocks," and "unsettles" are some suitable alternatives that can describe a sudden or abrupt change. Additionally, other synonyms such as "throws off balance," "disorientates," or "upsets" can convey a similar feeling of unease or discomfort. In summary, there are several words that can be used instead of "leaves a lurch" to describe an unexpected movement or change in direction.