The term 'Sorority Chapter' can be broken down into two crossword solutions: RHO (3 letters) and OMEGA (5 letters). RHO is a Greek letter that is often used to represent the beginning or the end of something, while OMEGA is the last letter in the Greek alphabet and is used to symbolize the end of something. Both of these letters are commonly used in sorority chapters to signify the start and end of a chapter's existence.