The phrase "shows signs of" is commonly used to indicate the presence or development of certain characteristics or behaviors. However, there are several alternative phrases that can be used to convey similar meanings. For example, one could say that someone is demonstrating signs of, exhibiting indications of, or evincing evidence of a particular trait or quality. Additionally, one might use the phrase "betraying symptoms of" or "displaying markers of" to suggest that someone is exhibiting clear indications of underlying conditions or issues. These synonyms for "shows signs of" can help add variety and depth to one's writing or speaking, while still conveying a specific meaning.