CameOS, E.G. is an acronym for 'Characters Appearing in Movies or on Television, Especially in Minor Roles'. A cameo is a brief appearance of a famous person in a movie or television show. The two crossword solutions for this term are ROLES, which is a 5 letter word meaning a part played by an actor or actress, and STONES, which is a 6 letter word referring to the precious STONES often used to make cameo jewelry.