The term 'many moons' can be represented by a variety of words, including 'AGO' (3 letters), 'EONS' (4 letters), 'aeons' (5 letters), 'EON' (3 letters), 'AGES' (4 letters), and 'DERRIERES' (9 letters). 'AGO' is a word used to refer to a period of time in the past, while 'EONS' and 'aeons' are both terms used to describe an incredibly long period of time. 'EON' is a synonym for 'AEON', and 'AGES' is another word for a long period of time. Lastly, 'DERRIERES' is a humorous way of referring to someone's buttocks.