The phrase "create suspicion" can be described using a variety of synonyms, including "arouse suspicion," "raise doubts," "promote uncertainty," "cast doubt," and "foster distrust." Other options might include "instigate skepticism," "trigger mistrust," "stimulate skepticism," "generate misgivings," "provoke unease," or "incite apprehension." When someone sets out to create suspicion, they may be attempting to undermine others' confidence or trust in a particular person, organization, or situation. As such, it's important to be able to recognize signs that someone is trying to create suspicion and to remain vigilant in guarding against attempts to manipulate or mislead you.