The term 'KEEP SAYING' can be broken down into two crossword solutions: REITERATE (9 letters) and ITERATE (7 letters). Both words are derived from the Latin verb 'iterare, ' which means to repeat or do again. REITERATE is a stronger form of the word, implying that something is said or done multiple times with emphasis. ITERATE is a weaker form, suggesting that something is simply repeated. In other words, the term 'KEEP SAYING' can be interpreted as repeating something multiple times with emphasis (REITERATE) or simply repeating something (ITERATE).