The term 'TURN RED, SAY' can be solved by the crossword solutions RIPEN (5 letters) and DYE (3 letters). The term 'turn red, say' is a phrase that is often used to describe the process of ripening fruit. When fruit ripens, it changes color from green to red. The term 'DYE' is also used to describe the process of changing the color of something. In this case, it is used to describe the process of changing the color of the fruit from green to red.