Split personalities, also known as dissociative identity disorder, is a mental health condition in which a person has two or more distinct personalities. The term 'SPLIT personalities' comes from the idea that each personality is SPLIT off from the other. In this crossword, EXES (4 letters) and CROATS (6 letters) are two solutions for the term SPLIT PERSONALITIES. EXES refers to former partners or spouses, while CROATS is a reference to the people of Croatia.