The term 'MAJOR SUIT' can be broken down into three separate crossword solutions: EXEC (4 letters), CEO (3 letters), and SPADES (6 letters). EXEC stands for executive, which is a high-ranking position in a company or organization. CEO stands for Chief Executive Officer, which is the highest-ranking executive in a company or organization. SPADES is one of the four suits in a standard deck of playing cards, along with hearts, diamonds, and clubs.