The term 'EGO COUNTERPARTS' can be broken down into two parts: EGO and COUNTERPARTS. EGO is a Latin word meaning 'I' or 'SELF'. It is used to refer to the conscious mind, or the part of the psyche that is aware of one's own identity and behavior. COUNTERPARTS, on the other hand, are people or things that are similar in some way. In this case, EGO COUNTERPARTS refers to people or things that are similar to one's own identity and behavior. The crossword solution for this term is IDS, which stands for 'Identity Substitutes'. Identity Substitutes are people or things that can take on the role of the EGO in certain situations, such as when a person is feeling overwhelmed or stressed. They can provide a sense of comfort and security, allowing the person to feel more in control of their emotions and behavior.