There are several synonyms for the phrase "notices similarities" that can be used to describe the act of recognizing commonalities between two or more things. One possible term is "identifies parallels," which suggests drawing comparisons between elements of different objects or concepts. Another option is "spots likenesses," which connotes finding similarities between items or ideas that may not be immediately apparent. "Discerns resemblances" is a third possible phrase, implying a careful observation or investigation in order to uncover similarities. Ultimately, using varying synonyms for "notices similarities" can help add clarity and nuance to descriptions of the process of identifying commonalities.