The word "over-simplifies" refers to the act of making something too simple, often to the point of being inaccurate or misleading. Some other words that can be used as synonyms for "over-simplifies" include "understates," "trivializes," "minimizes," "downplays," "overshadows," "skews," "distorts," "misrepresents," and "misconstrues." These words all have a negative connotation, suggesting that the simplification of a complex issue can have serious consequences. It is important to use precise and accurate language when discussing important topics, whether in politics, science, or any other field, in order to avoid oversimplification and promote genuine understanding.