What is another word for cores?
Pronunciation: [kˈɔːz] (IPA) 
Cores, which refer to the central or essential parts of something, have several synonyms. One of these is "nucleus," which refers to the central region or area of an object or system. Another is "heart," which is used metaphorically to refer to the central part of something, such as the heart of a problem. "Center," "hub," and "pivot" also serve as synonyms for cores, as they all refer to a central point around which something revolves or is structured. Finally, "essence" refers to the fundamental nature or reality of something, which can be considered the core of its being.
