The term 'Sure Success' can be represented by two crossword solutions: 'CINCH' (5 letters) and 'ParForTheCourse' (15 letters). 'CINCH' is an informal term meaning something that is easy to do or accomplish. It is often used to describe a task that requires little effort or skill. 'ParForTheCourse' is a golfing term that means to complete a hole in the number of strokes that is considered average for that particular hole. In this context, it can be interpreted as achieving success with minimal effort.