The term COMMON ENDER is a crossword puzzle answer that can be solved by three separate words: ONE (3 letters), IST (3 letters), and RAIN (4 letters). The first word, ONE, is a pronoun used to refer to a single person or thing. The second word, IST, is a suffix used to denote a person who practices or is skilled in a certain activity. The third word, RAIN, is a type of precipitation that falls from the sky. Together, these three words form the phrase 'common ender, ' which is often used to describe something that is shared by many people or things.