The term 'BECOME CHAMP' can be solved by the three letter word 'WIN'. To become a champion, one must WIN a competition or game. This could mean winning a championship title in a sport, or winning a tournament in a board game. It could also mean achieving success in any endeavor, such as winning an award or recognition for a job well done. Becoming a champion requires hard work and dedication, and the reward of being a champion is a feeling of accomplishment and pride.