The term 'AGES AND AGES' can be represented by several different words in a crossword puzzle, including EON (3 letters), AEONS (5 letters), AEON (4 letters), EONS (4 letters), ERAS (4 letters), AEO (3 letters), EPOCH (5 letters), ETERNITY (8 letters), and AMONTHOFSUNDAYS (15 letters). These words all refer to long periods of time, often used to describe the length of a particular event or era. EON is the longest period of time, followed by AEONS, EONS, ERAS, EPOCHS, and ETERNITY. AEO and AMONTHOFSUNDAYS are shorter terms, referring to a single month or a single day, respectively.